Michal Kubecek says:
====================
macvlan: disable LRO on lowerdev instead of a macvlan
A customer of ours encountered a problem with LRO on an ixgbe network
card. Analysis showed that it was a known conflict of forwarding and LRO
but the forwarding was enabled in an LXC container where only a macvlan
was, not the ethernet device itself.
I believe the solution is exactly the same as what we do for "normal"
(802.1q) VLAN devices: if dev_disable_lro() is called for such device,
LRO is disabled on the underlying "real" device instead.
v2: adapt to changes merged from net-next
v3: use BUG() in macvlan_dev_real_dev() if compiled without macvlan
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
A macvlan device has always LRO disabled so that calling
dev_disable_lro() on it does nothing. If we need to disable LRO
e.g. because
- the macvlan device is inserted into a bridge
- IPv6 forwarding is enabled for it
- it is in a different namespace than lowerdev and IPv4
forwarding is enabled in it
we need to disable LRO on its underlying device instead (as we
do for 802.1q VLAN devices).
v2: use newly introduced netif_is_macvlan()
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce helper function macvlan_dev_real_dev which returns the
underlying device of a macvlan device, similar to vlan_dev_real_dev()
for 802.1q VLAN devices.
v2: IFF_MACVLAN flag and equivalent of is_macvlan_dev() were
introduced in the meantime
v3: do BUG() if compiled without macvlan support
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce support for Broadcom Serial Controller (BSC) I2C bus found
in the Kona family of Mobile SoCs. FIFO hardware is utilized but only
standard mode (100kHz), fast mode (400kHz), fast mode plus (1MHz), and
I2C high-speed (3.4 MHz) bus speeds are supported.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
[wsa: fixed Kconfig sorting, squashed broken out patches into one]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
I met a Bug when I add ip target with the wrong ip address:
echo +500.500.500.500 > /sys/class/net/bond0/bonding/arp_ip_target
the wrong ip address will transfor to 245.245.245.244 and add
to the ip target success, it is uncorrect, so I add checks to avoid
adding wrong address.
The in4_pton() will set wrong ip address to 0.0.0.0, it will return by
the next check and will not add to ip target.
v2
According Veaceslav's opinion, simplify the code.
v3
According Veaceslav's opinion, add broadcast check and make a micro
definition to package it.
v4
Solve the problem of the format which David point out.
Suggested-by: Veaceslav Falico <vfalico@redhat.com>
Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a CQ, we must use mlx5 adapter page shift.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Move the check on max supported CQEs after the final number of entries is
evaluated.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
For archs with pages size of 4K, when the chunk is freed, fwp is not in the
list so avoid attempting to delete it.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
The value of the local variable index is never used in reg_mr_callback().
Signed-off-by: Eli Cohen <eli@mellanox.com>
[ Remove now-unused variable delta too. - Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>
Pull drm regression fix from Dave Airlie:
"Forgot this one liner was necessary to fix module reload issues
introduced earlier in the drm pull"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux:
drm: check for !kdev in drm_unplug_minor()
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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux
Pull blackfin updates from Steven Miao:
"Blackfin gpio changes, add adi pinctrl driver, and bug fixes"
* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
blackfin: fix build warning for unused variable
smp: bf561: and smb_wmb()/smp_rmb() at ipi send/receive
pm: use GFP_ATOMIC when pm core call this function
blackfin: serial: Add serial port_fer and port_mux early platform resources.
blackfin: pinctrl-adi2: code cleanup after using pinctrl-adi2
blackfin: adi gpio driver and pinctrl driver support
bf609: update default config for spi
Blackfin: bfin_gpio: Use proper mask for comparing pfunc
- small cleanups to make allmodconfig pass
- defconfig refresh
- a handful of code sanitization patches
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Merge tag 'for-3.13' of git://git.openrisc.net/~jonas/linux
Pull OpenRISC updates from Jonas Bonn:
- small cleanups to make allmodconfig pass
- defconfig refresh
- a handful of code sanitization patches
* tag 'for-3.13' of git://git.openrisc.net/~jonas/linux:
openrisc: Refactor or32_early_setup()
openrisc: Remove unused declaration of __initramfs_start
openrisc: Use the declarations provided by <asm/sections.h>
openrisc: Refresh or1ksim_defconfig for v3.12
openrisc: Refactor 16-bit constant relocation
openrisc: include: asm: Kbuild: add default "vga.h"
openrisc: Makefile: append "-D__linux__" to KBUILD_CFLAGS
Looks like we're missing two lines needed to make it
work properly with device tree.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Pull misc kbuild changes from Michal Marek:
- make tags fixes again
- scripts/show_delta fix for newer python
- scripts/kernel-doc does not fail on unknown function prototype
- one less coccinelle check this time
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/tags.sh: remove obsolete __devinit[const|data]
scripts/kernel-doc: make unknown function prototype a Warning instead of an Error
show_delta: Update script to support python versions 2.5 through 3.3
scripts/coccinelle/api: remove devm_request_and_ioremap.cocci
scripts/tags.sh: Increase identifier list
Pull kconfig changes from Michal Marek:
- xconfig stores its setting in a meaningful path
(~/.config/kernel.org/qconf.conf)
- kconfig symbol search fix
- documentation fixes
- cleanup & comment update
- fix warning when a kconfig symbol is defined with two different types
- Yann is now officially listed as maintainer of kconfig, but he
prefers me to send pull requests for now
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
MAINTAINERS: New kconfig maintainer
xconfig: Fix the filename for GUI settings
kconfig: fix bug in search results string: use strlen(gstr->s), not gstr->len
kconfig: remove unused definition from scanner
kconfig: adjust warning message for conflicting types
kconfig: fix trivial typos and update mconf documentation
kconfig: add short explanation to SYMBOL_WRITE
Documentation/kbuild/kconfig.txt: 'make listnewconfig' replaces: yes "" | make oldconfig
Pull kbuild changes from Michal Marek:
- LTO fixes, but the kallsyms part had to be reverted
- Pass -Werror=implicit-int and -Werror=strict-prototypes to the
compiler by default
- snprintf fix in modpost
- remove GREP_OPTIONS from the environment to be immune against exotic
grep option settings
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kallsyms: Revert back to 128 max symbol length
Kbuild: Ignore GREP_OPTIONS env variable
scripts: kallsyms: Use %zu to print 'size_t'
scripts/bloat-o-meter: use .startswith rather than fragile slicing
scripts/bloat-o-meter: ignore changes in the size of linux_banner
kbuild: replace unbounded sprintf call in modpost
kbuild, bloat-o-meter: fix static detection
Kbuild: Handle longer symbols in kallsyms.c
kbuild: Increase kallsyms max symbol length
Makefile: enable -Werror=implicit-int and -Werror=strict-prototypes by default
Patch 2 of the copy chunk series (the final patch will
use these to handle copies of files larger than the chunk size.
We set the same defaults that Windows and Samba expect for
CopyChunk.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: David Disseldorp <ddiss@samba.org>
This driver uses a number of macros to get and set various fields in the
RX and TX descriptors. To work correctly, a u8 pointer to the descriptor
must be used; however, in some cases a descriptor structure pointer is used
instead. In addition, a duplicated statement is removed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1) After driver load failure, clear 'card->adapter' instead of
card pointer so that card specific cleanup is performed later
when user unloads the driver.
2) Clear usb_card pointer in disconnect handler to avoid invalid
memory access when user unloads the driver after removing the
card.
Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When driver is failed to load, card pointer doesn't get
freed. We will free it in cleanup handler which is called
in failure as well as unload path.
Also, update drvdata in init/cleanup handlers instead of
register/unregister handlers.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1) Currently we freeing wdev for each interface in driver unload
path. We may leak memory if user have already deleted an interface.
mwifiex_add_virtual_intf() allocates wdev structure. So it should
be freed in mwifiex_del_virtual_intf().
This will make sure that wdev will be freed when user deletes an
interface and also in unload path.
2) "priv->netdev->ieee80211_ptr" should also be cleared in
mwifiex_del_virtual_intf.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We don't need to free/unregister wiphy when
mwifiex_register_cfg80211() fails. The routine internally takes
care of it. This redundant code can cause NULL pointer dereference,
for adapter->wiphy.
Reported-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1) If register_netdevice() is failed, we are freeing netdev
pointer, but priv->netdev is not cleared. This gives kernel
paging request error when driver is unloaded or interface is
deleted. Fix the problem by clearing the pointer.
2) Fix memory leak issue by freeing 'wdev' in failure paths.
Also, clear priv->wdev pointer.
As mwifiex_add_virtual_intf() successfully handles the
failure conditions, redundant code under err_add_intf label
is removed in this patch.
Reported-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
mwifiex_add_virtual_intf() returns ERR_PTR values. So use IS_ERR()
macro instead of checking for NULL pointer.
Reported-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Commit "rt2x00: fix HT TX descriptor settings regression"
assumes that the control parameter to rt2x00mac_tx is always non-NULL.
There is an internal call in rt2x00lib_bc_buffer_iter where NULL is
passed. Fix the resulting crash by adding an initialized dummy on-stack
ieee80211_tx_control struct.
Cc: stable@vger.kernel.org # 3.7+
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
On some boards which are based on AR9300, AR9580 or
AR9550, MCS15 usage is problematic.
This is because these boards use a "frequency doubler",
which doubles the refclk to get better EVM, but causes
spurs. Handle this properly in the driver to recover
throughput.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
A world regulatory domain check was in place that
prevents user dynamic regulatory hints from being
processed. This was there for historical reasons
as this was only possible previously for world
roaming cards and dynamic regulatory settings was
only possible for country IEs. Fix this by enforcing
the world regulatory domain check only for when the
initiator is a country IE. Support for dynamic user
regulatory support is already checked.
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
during boot process and kill the system.
This fix has been discussed for months and it is time
for it to reach mainline.
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Merge tag 'at91-fixes-non-critical' of git://github.com/at91linux/linux-at91 into fixes
From Nicolas Ferre, fixes for early boot hangs on at91:
Fixes for RTT & RTC interrupts that can fire early during boot process
and kill the system.
* tag 'at91-fixes-non-critical' of git://github.com/at91linux/linux-at91:
ARM: at91: fix hanged boot due to early rtt-interrupt
ARM: at91: fix hanged boot due to early rtc-interrupt
Defaulting to m seem to prevent building the pnfs layout modules into the
kernel. Default to the value of CONFIG_NFS_V4 make sure they are
built in for built-in NFSv4 support and modular for a modular NFSv4.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
The current test on valid use of the "migration" mount option can never
report an error as it will only do so if
mnt->version !=4 && mnt->minor_version != 0
(and some other condition), but if that test would succeed, then the previous
test has already gone-to out_minorversion_mismatch.
So change the && to an || to get correct semantics.
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Enforce the rule that when requesting remote write or atomic permissions, local
write must be indicated as well. See IB spec 11.2.8.2.
Spotted by: Hagay Abramovsky <hagaya@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
When calling get_sw_cqe() we need pass the consumer_index and not the
masked value. Failure to do so will cause incorrect result of
get_sw_cqe() possibly leading to endless loop.
This problem was reported and analyzed by Michael Rice from HP.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Otherwise we can get errors like:
arch/arm/mach-omap2/prm44xx.c:274: error: redefinition of ‘omap44xx_prm_reconfigure_io_chain’
arch/arm/mach-omap2/built-in.o: In function `default_finish_suspend':
arch/arm/mach-omap2/omap-mpuss-lowpower.c:95: undefined reference to `omap_do_wfi'
Signed-off-by: Tony Lindgren <tony@atomide.com>
OMAP device hooks around suspend|resume_noirq ensures that hwmod
devices are forced to idle using omap_device_idle/enable as part of
the last stage of suspend activity.
For a device such as i2c who uses autosuspend, it is possible to enter
the suspend path with dev->power.runtime_status = RPM_ACTIVE.
As part of the suspend flow, the generic runtime logic would increment
it's dev->power.disable_depth to 1. This should prevent further
pm_runtime_get_sync from succeeding once the runtime_status has been
set to RPM_SUSPENDED.
Now, as part of the suspend_noirq handler in omap_device, we force the
following: if the device status is !suspended, we force the device
to idle using omap_device_idle (clocks are cut etc..). This ensures
that from a hardware perspective, the device is "suspended". However,
runtime_status is left to be active.
*if* an operation is attempted after this point to
pm_runtime_get_sync, runtime framework depends on runtime_status to
indicate accurately the device status, and since it sees it to be
ACTIVE, it assumes the module is functional and returns a non-error
value. As a result the user will see pm_runtime_get succeed, however a
register access will crash due to the lack of clocks.
To prevent this from happening, we should ensure that runtime_status
exactly indicates the device status. As a result of this change
any further calls to pm_runtime_get* would return -EACCES (since
disable_depth is 1). On resume, we restore the clocks and runtime
status exactly as we suspended with. These operations are not expected
to fail as we update the states after the core runtime framework has
suspended itself and restore before the core runtime framework has
resumed.
Cc: stable@vger.kernel.org # v3.4+
Reported-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add documentation for the generic OMAP DES crypto modul describing the device
tree bindings.
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
A new compatible property "ti,omap5-sham" is added to the omap-sham driver
recently to support SHA/MD5 for OMAP5,DRA7 and AM43XX. Documenting the
same.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In case of error, the function get_cpu_device() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Heiko Carstens noticed that btrfs was using empty_zero_page
incorrectly. He explained:
The definition of empty_zero_page is architecture specific. It
is (currently) either a character array, an unsigned long
containing the address of the empty_zero_page, or even worse
only the address of the struct page belonging to the
empty_zero_page.
This commit changes btrfs to use a for-loop instead. On x86
the resulting .ko is smaller, and we're no longer worrying about
how each arch builds its zeros.
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
When the availability of a pci function has changed by means
outside of our control we receive an availability event.
Implement/improve the handling of these notifications.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Stop hiding scm_block's dependency to the eadm subchannel driver
(by using functions provided by the eadm subchannel instead of
wrappers provided by the scm bus).
This will help userspace recognizing module dependencies (e.g. for
building a ramdisk). As a side effect we can get rid of some code
reimplementing refcounting between those modules.
Reported-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The new function calls the old ones. The sclp_event_mask_early() is removed
and replaced by one invocation of sclp_set_event_mask(0, 0).
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The early SCLP driver code in sclp_cmd.c belongs to sclp_early.c
because it is independent from the 'normal' SCLP driver. So move
it to sclp_early.c
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Currently we have hardcoded the HSA size to 32 MiB. With this patch the
HSA size is determined dynamically via SCLP in early.c.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Implement pcibios_remove_bus to free arch specific data when a pci
bus is deregistered. While at it remove a useless kzalloc/kfree
wrapper.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cleanup the functions for allocation and setup of bus resources. Do
not allocate the same name for each resource but use a per-bus name.
Also provide means to cleanup all resources allocated by a bus.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
