Commit Graph

507976 Commits

Author SHA1 Message Date
Eric Dumazet
2215089b22 ipv6: tcp: handle ICMP messages on TCP_NEW_SYN_RECV request sockets
tcp_v6_err() can restrict lookups to ehash table, and not to listeners.

Note this patch creates the infrastructure, but this means that ICMP
messages for request sockets are ignored until complete conversion.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:26 -04:00
Eric Dumazet
26e3736090 ipv4: tcp: handle ICMP messages on TCP_NEW_SYN_RECV request sockets
tcp_v4_err() can restrict lookups to ehash table, and not to listeners.

Note this patch creates the infrastructure, but this means that ICMP
messages for request sockets are ignored until complete conversion.

New tcp_req_err() helper is exported so that we can use it in IPv6
in following patch.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:26 -04:00
Eric Dumazet
b282705336 net: convert syn_wait_lock to a spinlock
This is a low hanging fruit, as we'll get rid of syn_wait_lock eventually.

We hold syn_wait_lock for such small sections, that it makes no sense to use
a read/write lock. A spin lock is simply faster.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:26 -04:00
Eric Dumazet
8b929ab12f inet: remove some sk_listener dependencies
listener can be source of false sharing. request sock has some
useful information like : ireq->ir_iif, ireq->ir_num, ireq->ireq_net

This patch does not solve the major problem of having to read
sk->sk_protocol which is sharing a cache line with sk->sk_wmem_alloc.
(This same field is read later in ip_build_and_send_pkt())

One idea would be to move sk_protocol close to sk_family
(using 8 bits instead of 16 for sk_family seems enough)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:26 -04:00
Eric Dumazet
42cb80a235 inet: remove sk_listener parameter from syn_ack_timeout()
It is not needed, and req->sk_listener points to the listener anyway.
request_sock argument can be const.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:25 -04:00
Eric Dumazet
2b41fab70f inet: cache listen_sock_qlen() and read rskq_defer_accept once
Cache listen_sock_qlen() to limit false sharing, and read
rskq_defer_accept once as it might change under us.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:52:25 -04:00
David S. Miller
c9231f8247 Merge branch 'gigaset_modem_response'
Tilman Schmidt says:

====================
isdn/gigaset: restructure modem response parser

This series of patches restructures the Gigaset ISDN driver's
modem response parser to improve code readability and conform
better to the device's specification and actual behaviour.
Could you please merge these through net-next?
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:47:29 -04:00
Tilman Schmidt
4656e0a360 isdn/gigaset: restructure modem response parser (4)
Restructure the control structure of the modem response parser
to improve readability and error handling.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:47:24 -04:00
Tilman Schmidt
d93187eb10 isdn/gigaset: restructure modem response parser (3)
Separate CID detection from main parser loop.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:47:23 -04:00
Tilman Schmidt
4df1e525af isdn/gigaset: restructure modem response parser (2)
Separate literal string handling from main parser loop.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:47:23 -04:00
Tilman Schmidt
6bf5011435 isdn/gigaset: restructure modem response parser (1)
Factor out queueing of modem response events into helper function
add_cid_event().

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:47:23 -04:00
Roopa Prabhu
558d51fa2f switchdev: fix stp update API to work with layered netdevices
make it same as the netdev_switch_port_bridge_setlink/dellink
api (ie traverse lowerdevs to get to the switch port).

removes "WARN_ON(!ops->ndo_switch_parent_id_get)" because
direct bridge ports can be stacked netdevices (like bonds
and team of switch ports) which may not implement this ndo.

v2 to v3:
	- remove changes to bond and team. Bring back the
	transparently following lowerdevs like i initially
	had for setlink/getlink
	(http://www.spinics.net/lists/netdev/msg313436.html)
	dave and scott feldman also seem to prefer it be that
	way and move to non-transparent way of doing things
	if we see a problem down the lane.

v3 to v4:
	- fix ret initialization

v4 to v5:
	- return err on first failure (scott feldman)

v5 to v6:
	- change variable name (err) and initialize to
	-EOPNOTSUPP (scott feldman).

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:44:56 -04:00
WANG Cong
08b4b8ea79 net: clear skb->priority when forwarding to another netns
skb->priority can be set for two purposes:

1) With respect to IP TOS field, which is computed by a mask.
Ususally used for priority qdisc's (pfifo, prio etc.), on TX
side (we only have ingress qdisc on RX side).

2) Used as a classid or flowid, works in the same way with tc
classid. What's more, this can even override the classid
of tc filters.

For case 1), it has been respected within its netns, I don't
see any point of keeping it for another netns, especially
when packets will be forwarded to Rx path (no matter from TX
path or RX path).

For case 2) we care, our applications run inside a netns,
and we classify the packets by our own filters outside,
If some application sets this priority, it could bypass
our filters, therefore clear it when moving out of a netns,
it makes no sense to bypass tc filters out of its netns.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:43:08 -04:00
David S. Miller
a659f91aeb Merge branch 'crypto_async'
Tadeusz Struk says:

====================
Add support for async socket operations

After the iocb parameter has been removed from sendmsg() and recvmsg() ops
the socket layer, and the network stack no longer support async operations.
This patch set adds support for asynchronous operations on sockets back.

Changes in v3:
* As sugested by Al Viro instead of adding new functions aio_sendmsg
  and aio_recvmsg, added a ptr to iocb into the kernel-side msghdr structure.
  This way no change to aio.c is required.

Changes in v2:
* removed redundant total_size param from aio_sendmsg and aio_recvmsg functions
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:41:44 -04:00
Tadeusz Struk
a596999b7d crypto: algif - change algif_skcipher to be asynchronous
The way the algif_skcipher works currently is that on sendmsg/sendpage it
builds an sgl for the input data and then on read/recvmsg it sends the job
for encryption putting the user to sleep till the data is processed.
This way it can only handle one job at a given time.
This patch changes it to be asynchronous by adding AIO support.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:41:37 -04:00
Tadeusz Struk
66db37391d crypto: af_alg - Allow to link sgl
Allow to link af_alg sgls.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:41:37 -04:00
tadeusz.struk@intel.com
0345f93138 net: socket: add support for async operations
Add support for async operations.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 16:41:36 -04:00
Linus Torvalds
90a5a895cc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Validate iov ranges before feeding them into iov_iter_init(), from
    Al Viro.

 2) We changed copy_from_msghdr_from_user() to zero out the msg_namelen
    is a NULL pointer is given for the msg_name.  Do the same in the
    compat code too.  From Catalin Marinas.

 3) Fix partially initialized tuples in netfilter conntrack helper, from
    Ian Wilson.

 4) Missing continue; statement in nft_hash walker can lead to crashes,
    from Herbert Xu.

 5) tproxy_tg6_check looks for IP6T_INV_PROTO in ->flags instead of
    ->invflags, fix from Pablo Neira Ayuso.

 6) Incorrect memory account of TCP FINs can result in negative socket
    memory accounting values.  Fix from Josh Hunt.

 7) Don't allow virtual functions to enable VLAN promiscuous mode in
    be2net driver, from Vasundhara Volam.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  netfilter: nft_compat: set IP6T_F_PROTO flag if protocol is set
  cx82310_eth: wait for firmware to become ready
  net: validate the range we feed to iov_iter_init() in sys_sendto/sys_recvfrom
  net: compat: Update get_compat_msghdr() to match copy_msghdr_from_user() behaviour
  be2net: use PCI MMIO read instead of config read for errors
  be2net: restrict MODIFY_EQ_DELAY cmd to a max of 8 EQs
  be2net: Prevent VFs from enabling VLAN promiscuous mode
  tcp: fix tcp fin memory accounting
  ipv6: fix backtracking for throw routes
  net: ethernet: pcnet32: Setup the SRAM and NOUFLO on Am79C97{3, 5}
  ipv6: call ipv6_proxy_select_ident instead of ipv6_select_ident in udp6_ufo_fragment
  netfilter: xt_TPROXY: fix invflags check in tproxy_tg6_check()
  netfilter: restore rule tracing via nfnetlink_log
  netfilter: nf_tables: allow to change chain policy without hook if it exists
  netfilter: Fix potential crash in nft_hash walker
  netfilter: Zero the tuple in nfnl_cthelper_parse_tuple()
2015-03-23 10:16:13 -07:00
Linus Torvalds
d5049617a0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
 "Some perf bug fixes from David Ahern, and the fix for that nasty
  memmove() bug"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix several bugs in memmove().
  sparc: Touch NMI watchdog when walking cpus and calling printk
  sparc: perf: Add support M7 processor
  sparc: perf: Make counting mode actually work
  sparc: perf: Remove redundant perf_pmu_{en|dis}able calls
2015-03-23 10:04:02 -07:00
David S. Miller
2077cef4d5 sparc64: Fix several bugs in memmove().
Firstly, handle zero length calls properly.  Believe it or not there
are a few of these happening during early boot.

Next, we can't just drop to a memcpy() call in the forward copy case
where dst <= src.  The reason is that the cache initializing stores
used in the Niagara memcpy() implementations can end up clearing out
cache lines before we've sourced their original contents completely.

For example, considering NG4memcpy, the main unrolled loop begins like
this:

     load   src + 0x00
     load   src + 0x08
     load   src + 0x10
     load   src + 0x18
     load   src + 0x20
     store  dst + 0x00

Assume dst is 64 byte aligned and let's say that dst is src - 8 for
this memcpy() call.  That store at the end there is the one to the
first line in the cache line, thus clearing the whole line, which thus
clobbers "src + 0x28" before it even gets loaded.

To avoid this, just fall through to a simple copy only mildly
optimized for the case where src and dst are 8 byte aligned and the
length is a multiple of 8 as well.  We could get fancy and call
GENmemcpy() but this is good enough for how this thing is actually
used.

Reported-by: David Ahern <david.ahern@oracle.com>
Reported-by: Bob Picco <bpicco@meloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-23 09:22:10 -07:00
Linus Torvalds
bc465aa9d0 Linux 4.0-rc5 2015-03-22 16:50:21 -07:00
Linus Torvalds
1b717b1af5 One fix for md in 4.0-rc4
Regression in recent patch causes crash on error path.
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Merge tag 'md/4.0-rc4-fix' of git://neil.brown.name/md

Pull bugfix for md from Neil Brown:
 "One fix for md in 4.0-rc4

  Regression in recent patch causes crash on error path"

* tag 'md/4.0-rc4-fix' of git://neil.brown.name/md:
  md: fix problems with freeing private data after ->run failure.
2015-03-22 16:38:19 -07:00
Ben Dooks
af9bfbdab8 can: at91_can: use endian agnostic IO accessors
Change __raw accesors to endian agnostic versions to allow the driver
to work properly on big endian systems.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:12 +01:00
Thomas Körper
6d5a7a65a9 can: esd_usb2: Fix sparse warnings
The hnd field of the structs does not need to be __le32: the
device just returns the value without using it itself.

Signed-off-by: Thomas Körper <thomas.koerper@esd.eu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:12 +01:00
Yegor Yefremov
c54eb70e3b can: add combined rx/tx LED trigger support
Add <ifname>-rxtx trigger, that will be activated both for tx
as rx events. This trigger mimics "activity" LED for Ethernet
devices.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:11 +01:00
Marc Kleine-Budde
fba6f9117a can: m_cam: m_can_fifo_write(): remove return from void function
This patch removes the return from the void function m_can_fifo_write().

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:11 +01:00
Ahmed S. Darwish
c637aab05c can: kvaser_usb: Use can-dev unregistration mechanism
Use can-dev's unregister_candev() instead of directly calling
networking unregister_netdev(). While both are functionally
equivalent, unregister_candev() might do extra stuff in the
future than just calling networking layer unregistration code.

Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:11 +01:00
Florian Westphal
2b290bbb60 can: use sock_efree instead of own destructor
It is identical to the can destructor.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2015-03-22 23:50:10 +01:00
David S. Miller
c0e41fa76c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for your net tree,
they are:

1) Fix missing initialization of tuple structure in nfnetlink_cthelper
   to avoid mismatches when looking up to attach userspace helpers to
   flows, from Ian Wilson.

2) Fix potential crash in nft_hash when we hit -EAGAIN in
   nft_hash_walk(), from Herbert Xu.

3) We don't need to indicate the hook information to update the
   basechain default policy in nf_tables.

4) Restore tracing over nfnetlink_log due to recent rework to
   accomodate logging infrastructure into nf_tables.

5) Fix wrong IP6T_INV_PROTO check in xt_TPROXY.

6) Set IP6T_F_PROTO flag in nft_compat so we can use SYNPROXY6 and
   REJECT6 from xt over nftables.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-22 16:57:07 -04:00
Linus Torvalds
4541c22605 Driver core fixes for 4.0-rc5
Here are two bugfixes for things reported.  One regression in kernfs,
 and another issue fixed in the LZ4 code that was fixed in the "upstream"
 codebase that solves a reported kernel crash.
 
 Both have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two bugfixes for things reported.  One regression in kernfs,
  and another issue fixed in the LZ4 code that was fixed in the
  "upstream" codebase that solves a reported kernel crash

  Both have been in linux-next for a while"

* tag 'driver-core-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  LZ4 : fix the data abort issue
  kernfs: handle poll correctly on 'direct_read' files.
2015-03-22 12:07:47 -07:00
Linus Torvalds
b93dbeea7b Char/MISC fixes for 4.0-rc5
Here are three fixes for 4.0-rc5 that revert 3 PCMCIA patches that were
 merged in 4.0-rc1 that cause regressions.  So let's revert them for now
 and they will be reworked and resent sometime in the future.
 
 All have been tested in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are three fixes for 4.0-rc5 that revert 3 PCMCIA patches that
  were merged in 4.0-rc1 that cause regressions.  So let's revert them
  for now and they will be reworked and resent sometime in the future.

  All have been tested in linux-next for a while"

* tag 'char-misc-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Revert "pcmcia: add a new resource manager for non ISA systems"
  Revert "pcmcia: fix incorrect bracketing on a test"
  Revert "pcmcia: add missing include for new pci resource handler"
2015-03-22 12:03:14 -07:00
Pablo Neira Ayuso
e35158e401 netfilter: ip6t_REJECT: check for IP6T_F_PROTO
Make sure IP6T_F_PROTO is set to enforce layer 4 protocol matching from
the ip6_tables core.

Suggested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-03-22 20:02:46 +01:00
Linus Torvalds
704fa7f76f Staging driver fixes for 4.0-rc5
Here are 4 small staging driver fixes, all for the vt6656 and vt6655
 drivers, that resolve some reported issues with them.
 
 All of these patches have been in linux next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are four small staging driver fixes, all for the vt6656 and
  vt6655 drivers, that resolve some reported issues with them.

  All of these patches have been in linux next for a while"

* tag 'staging-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  vt6655: Fix late setting of byRFType.
  vt6655: RFbSetPower fix missing rate RATE_12M
  staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M
  staging: vt6655: vnt_tx_packet fix dma_idx selection.
2015-03-22 11:59:02 -07:00
Linus Torvalds
b2f45eeff2 TTY/Serial driver fix for 4.0-rc5
Here's a single 8250 serial driver that fixes a reported deadlock with
 the serial console and the tty driver.
 
 It's been in linux-next for a while now.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fix from Greg KH:
 "Here's a single 8250 serial driver that fixes a reported deadlock with
  the serial console and the tty driver.

  It's been in linux-next for a while now"

* tag 'tty-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: 8250_dw: Fix deadlock in LCR workaround
2015-03-22 11:54:29 -07:00
Patrick McHardy
55df35d22f netfilter: nf_tables: reject NFT_SET_ELEM_INTERVAL_END flag for non-interval sets
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-03-22 19:50:35 +01:00
Patrick McHardy
16c45eda96 netfilter: nft_rbtree: fix locking
Fix a race condition and unnecessary locking:

* the root rb_node must only be accessed under the lock in nft_rbtree_lookup()
* the lock is not needed in lookup functions in netlink context

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-03-22 19:49:09 +01:00
Florian Westphal
8d0451638a netfilter: bridge: kill nf_bridge_pad
The br_netfilter frag output function calls skb_cow_head() so in
case it needs a larger headroom to e.g. re-add a previously stripped PPPOE
or VLAN header things will still work (at cost of reallocation).

We can then move nf_bridge_encap_header_len to br_netfilter.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-03-22 19:45:55 +01:00
Linus Torvalds
cedd5f659e USB / PHY driver fixes for 4.0-rc5
Here's a number of USB and PHY driver fixes for 4.0-rc5.  Largest thing
 here is a revert of a gadget function driver patch that removes 500
 lines of code.  Other than that, it's a number of reported bugs fixes
 and new quirk/id entries.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / PHY driver fixes from Greg KH:
 "Here's a number of USB and PHY driver fixes for 4.0-rc5.

  The largest thing here is a revert of a gadget function driver patch
  that removes 500 lines of code.  Other than that, it's a number of
  reported bugs fixes and new quirk/id entries.

  All have been in linux-next for a while"

* tag 'usb-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
  usb: common: otg-fsm: only signal connect after switching to peripheral
  uas: Add US_FL_NO_ATA_1X for Initio Corporation controllers / devices
  USB: ehci-atmel: rework clk handling
  MAINTAINERS: add entry for USB OTG FSM
  usb: chipidea: otg: add a_alt_hnp_support response for B device
  phy: omap-usb2: Fix missing clk_prepare call when using old dt name
  phy: ti/omap: Fix modalias
  phy: core: Fixup return value of phy_exit when !pm_runtime_enabled
  phy: miphy28lp: Convert to devm_kcalloc and fix wrong sizof
  phy: miphy365x: Convert to devm_kcalloc and fix wrong sizeof
  phy: twl4030-usb: Remove redundant assignment for twl->linkstat
  phy: exynos5-usbdrd: Fix off-by-one valid value checking for args->args[0]
  phy: Find the right match in devm_phy_destroy()
  phy: rockchip-usb: Fixup rockchip_usb_phy_power_on failure path
  phy: ti-pipe3: Simplify ti_pipe3_dpll_wait_lock implementation
  phy: samsung-usb2: Remove NULL terminating entry from phys array
  phy: hix5hd2-sata: Check return value of platform_get_resource
  phy: exynos-dp-video: Kill exynos_dp_video_phy_pwr_isol function
  Revert "usb: gadget: zero: Add support for interrupt EP"
  Revert "xhci: Clear the host side toggle manually when endpoint is 'soft reset'"
  ...
2015-03-22 11:33:55 -07:00
Pablo Neira Ayuso
749177ccc7 netfilter: nft_compat: set IP6T_F_PROTO flag if protocol is set
ip6tables extensions check for this flag to restrict match/target to a
given protocol. Without this flag set, SYNPROXY6 returns an error.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Patrick McHardy <kaber@trash.net>
2015-03-22 19:32:05 +01:00
Ondrej Zary
f40bff4239 cx82310_eth: wait for firmware to become ready
When the device is powered up, some (older) firmware versions fail to work
properly if we send commands before the boot is complete (everything is OK
when the device is hot-plugged). The firmware indicates its ready status by
putting the link up.
Newer firmwares delay the first command so they don't suffer from this problem.
They also report the link being always up.

Wait for firmware to become ready (link up) before sending any commands and/or
data.

This also allows lowering CMD_TIMEOUT value to a reasonable time.

Tested with 4.1.0.9 (old) and 4.1.0.30 (new) firmware versions.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-21 18:23:19 -04:00
Linus Torvalds
f897522468 Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave dmaengine fixes from Vinod Koul:
 "Four fixes for dw, pl08x, imx-sdma and at_hdmac driver.  Nothing
  unusual here, simple fixes to these drivers"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: pl08x: Define capabilities for generic capabilities reporting
  dmaengine: dw: append MODULE_ALIAS for platform driver
  dmaengine: imx-sdma: switch to dynamic context mode after script loaded
  dmaengine: at_hdmac: Fix calculation of the residual bytes
2015-03-21 13:05:37 -07:00
Linus Torvalds
3d7a6db537 Power management and ACPI fixes for v4.0-rc5
- Revert a recent PCI commit related to IRQ resources management
    that introduced a regression for drivers attempting to bind to
    devices whose previous drivers did not balance pci_enable_device()
    and pci_disable_device() as expected (Rafael J Wysocki).
 
  - Fix a deadlock in at91_rtc_interrupt() introduced by a typo in a
    recent commit related to wakeup interrupt handling (Dan Carpenter).
 
  - Allow the power capping RAPL (Running-Average Power Limit) driver
    to use different energy units for domains within one CPU package
    which is necessary to handle Intel Haswell EP processors correctly
    (Jacob Pan).
 
  - Improve the cpuidle mvebu driver's handling of Armada XP SoCs by
    updating the target residency and exit latency numbers for those
    chips (Sebastien Rannou).
 
  - Prevent the cpuidle mvebu driver from calling cpu_pm_enter() twice
    in a row before cpu_pm_exit() is called on the same CPU which
    breaks the core's assumptions regarding the usage of those
    functions (Gregory Clement).
 
 /
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Merge tag 'pm+acpi-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These are fixes for recent regressions (PCI/ACPI resources and at91
  RTC locking), a stable-candidate powercap RAPL driver fix and two ARM
  cpuidle fixes (one stable-candidate too).

  Specifics:

   - Revert a recent PCI commit related to IRQ resources management that
     introduced a regression for drivers attempting to bind to devices
     whose previous drivers did not balance pci_enable_device() and
     pci_disable_device() as expected (Rafael J Wysocki).

   - Fix a deadlock in at91_rtc_interrupt() introduced by a typo in a
     recent commit related to wakeup interrupt handling (Dan Carpenter).

   - Allow the power capping RAPL (Running-Average Power Limit) driver
     to use different energy units for domains within one CPU package
     which is necessary to handle Intel Haswell EP processors correctly
     (Jacob Pan).

   - Improve the cpuidle mvebu driver's handling of Armada XP SoCs by
     updating the target residency and exit latency numbers for those
     chips (Sebastien Rannou).

   - Prevent the cpuidle mvebu driver from calling cpu_pm_enter() twice
     in a row before cpu_pm_exit() is called on the same CPU which
     breaks the core's assumptions regarding the usage of those
     functions (Gregory Clement)"

* tag 'pm+acpi-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "x86/PCI: Refine the way to release PCI IRQ resources"
  rtc: at91rm9200: double locking bug in at91_rtc_interrupt()
  powercap / RAPL: handle domains with different energy units
  cpuidle: mvebu: Update cpuidle thresholds for Armada XP SOCs
  cpuidle: mvebu: Fix the CPU PM notifier usage
2015-03-21 12:51:36 -07:00
Linus Torvalds
97448d5b3d Merge git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "A bunch of fixes across drivers:

  radeon:
     disable two ended allocation for now, it breaks some stuff

  amdkfd:
     misc fixes

  nouveau:
     fix irq loop problem, add basic support for GM206 (new hw)

  i915:
     fix some WARNs people were seeing

  exynos:
     fix some iommu interactions causing boot failures"

* git://people.freedesktop.org/~airlied/linux:
  drm/radeon: drop ttm two ended allocation
  drm/exynos: fix the initialization order in FIMD
  drm/exynos: fix typo config name correctly.
  drm/exynos: Check for NULL dereference of crtc
  drm/exynos: IS_ERR() vs NULL bug
  drm/exynos: remove unused files
  drm/i915: Make sure the primary plane is enabled before reading out the fb state
  drm/nouveau/bios: fix i2c table parsing for dcb 4.1
  drm/nouveau/device/gm100: Basic GM206 bring up (as copy of GM204)
  drm/nouveau/device: post write to NV_PMC_BOOT_1 when flipping endian switch
  drm/nouveau/gr/gf100: fix some accidental or'ing of buffer addresses
  drm/nouveau/fifo/nv04: remove the loop from the interrupt handler
  drm/radeon: Changing number of compute pipe lines
  drm/amdkfd: Fix SDMA queue init. in non-HWS mode
  drm/amdkfd: destroy mqd when destroying kernel queue
  drm/i915: Ensure plane->state->fb stays in sync with plane->fb
2015-03-21 12:41:50 -07:00
Linus Torvalds
bb8ef2fbb8 More DeviceTree fixes for 4.0:
- Revert setting stdout-path as preferred console. This caused
 regressions in PowerMACs and other systems.
 
 - Yet another fix for stdout-path option parsing.
 
 - Fix error path handling in of_irq_parse_one
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Merge tag 'devicetree-fixes-for-4.0-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull more DeviceTree fixes vfom Rob Herring:

 - revert setting stdout-path as preferred console.  This caused
   regressions in PowerMACs and other systems.

 - yet another fix for stdout-path option parsing.

 - fix error path handling in of_irq_parse_one

* tag 'devicetree-fixes-for-4.0-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  Revert "of: Fix premature bootconsole disable with 'stdout-path'"
  of: handle both '/' and ':' in path strings
  of: unittest: Add option string test case with longer path
  of/irq: Fix of_irq_parse_one() returned error codes
2015-03-21 12:33:01 -07:00
Linus Torvalds
e477f3e013 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "Here are current target-pending fixes for v4.0-rc5 code that have made
  their way into the queue over the last weeks.

  The fixes this round include:

   - Fix long-standing iser-target logout bug related to early
     conn_logout_comp completion, resulting in iscsi_conn use-after-tree
     OOpsen.  (Sagi + nab)

   - Fix long-standing tcm_fc bug in ft_invl_hw_context() failure
     handing for DDP hw offload.  (DanC)

   - Fix incorrect use of unprotected __transport_register_session() in
     tcm_qla2xxx + other single local se_node_acl fabrics.  (Bart)

   - Fix reference leak in target_submit_cmd() -> target_get_sess_cmd()
     for ack_kref=1 failure path.  (Bart)

   - Fix pSCSI backend ->get_device_type() statistics OOPs with
     un-configured device.  (Olaf + nab)

   - Fix virtual LUN=0 target_configure_device failure OOPs at modprobe
     time.  (Claudio + nab)

   - Fix FUA write false positive failure regression in v4.0-rc1 code.
     (Christophe Vu-Brugier + HCH)"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: do not reject FUA CDBs when write cache is enabled but emulate_write_cache is 0
  target: Fix virtual LUN=0 target_configure_device failure OOPs
  target/pscsi: Fix NULL pointer dereference in get_device_type
  tcm_fc: missing curly braces in ft_invl_hw_context()
  target: Fix reference leak in target_get_sess_cmd() error path
  loop/usb/vhost-scsi/xen-scsiback: Fix use of __transport_register_session
  tcm_qla2xxx: Fix incorrect use of __transport_register_session
  iscsi-target: Avoid early conn_logout_comp for iser connections
  Revert "iscsi-target: Avoid IN_LOGOUT failure case for iser-target"
  target: Disallow changing of WRITE cache/FUA attrs after export
2015-03-21 11:24:38 -07:00
Linus Torvalds
da6b9a2049 A handful of stable fixes for DM:
- fix thin target to always zero-fill reads to unprovisioned blocks
 - fix to interlock device destruction's suspend from internal suspends
 - fix 2 snapshot exception store handover bugs
 - fix dm-io to cope with DISCARD and WRITE_SAME capabilities changing
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Merge tag 'dm-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull devicemapper fixes from Mike Snitzer:
 "A handful of stable fixes for DM:
   - fix thin target to always zero-fill reads to unprovisioned blocks
   - fix to interlock device destruction's suspend from internal
     suspends
   - fix 2 snapshot exception store handover bugs
   - fix dm-io to cope with DISCARD and WRITE_SAME capabilities changing"

* tag 'dm-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRITE_SAME
  dm snapshot: suspend merging snapshot when doing exception handover
  dm snapshot: suspend origin when doing exception handover
  dm: hold suspend_lock while suspending device during device deletion
  dm thin: fix to consistently zero-fill reads to unprovisioned blocks
2015-03-21 11:15:13 -07:00
Linus Torvalds
521d474631 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "Most of these are fixing extent reservation accounting, or corners
  with tree writeback during commit.

  Josef's set does add a test, which isn't strictly a fix, but it'll
  keep us from making this same mistake again"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix outstanding_extents accounting in DIO
  Btrfs: add sanity test for outstanding_extents accounting
  Btrfs: just free dummy extent buffers
  Btrfs: account merges/splits properly
  Btrfs: prepare block group cache before writing
  Btrfs: fix ASSERT(list_empty(&cur_trans->dirty_bgs_list)
  Btrfs: account for the correct number of extents for delalloc reservations
  Btrfs: fix merge delalloc logic
  Btrfs: fix comp_oper to get right order
  Btrfs: catch transaction abortion after waiting for it
  btrfs: fix sizeof format specifier in btrfs_check_super_valid()
2015-03-21 10:53:37 -07:00
Linus Torvalds
0d122f7430 Merge branch 'for-4.0' of git://linux-nfs.org/~bfields/linux
Pull nfsd bufix from Bruce Fields:
 "This is a fix for a crash easily triggered by 4.1 activity to a server
  built with CONFIG_NFSD_PNFS.

  There are some more bugfixes queued up that I intend to pass along
  next week, but this is the most critical"

* 'for-4.0' of git://linux-nfs.org/~bfields/linux:
  Subject: nfsd: don't recursively call nfsd4_cb_layout_fail
2015-03-21 10:41:15 -07:00
Linus Torvalds
c6ef814509 This pull request fixes a bug introduced during the v4.0 merge window where we
forgot to put braces where they should be.
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Merge tag 'upstream-4.0-rc5' of git://git.infradead.org/linux-ubifs

Pull UBI fix from Artem Bityutskiy:
 "This fixes a bug introduced during the v4.0 merge window where we
  forgot to put braces where they should be"

* tag 'upstream-4.0-rc5' of git://git.infradead.org/linux-ubifs:
  UBI: fix missing brace control flow
2015-03-21 10:36:44 -07:00
Linus Torvalds
60ed380eb8 arm64 fixes:
- mm switching fix where the kernel pgd ends up in the user TTBR0 after
   returning from an EFI run-time services call
 - fix __GFP_ZERO handling for atomic pool and CMA DMA allocations (the
   generic code does get the gfp flags, so it's left with the arch code
   to memzero accordingly)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - mm switching fix where the kernel pgd ends up in the user TTBR0 after
   returning from an EFI run-time services call

 - fix __GFP_ZERO handling for atomic pool and CMA DMA allocations (the
   generic code does get the gfp flags, so it's left with the arch code
   to memzero accordingly)

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Honor __GFP_ZERO in dma allocations
  arm64: efi: don't restore TTBR0 if active_mm points at init_mm
2015-03-21 10:24:10 -07:00