The "priv->if_mode" is type phy_interface_t which is an enum. In this
context GCC will treat the enum as an unsigned int so this error
handling is never triggered.
Fixes: d4fd0404c1 ("enetc: Introduce basic PF and VF ENETC ethernet drivers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "priv->phy_interface" variable is an enum and in this context GCC
will treat it as an unsigned int so the error handling is never
triggered.
Fixes: 533dd11a12 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "priv->phy_interface" variable is an enum and in this context GCC
will treat it as unsigned so the error handling will never be
triggered.
Fixes: 80105befdb ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "priv->phy_mode" variable is an enum and in this context GCC will
treat it as unsigned to the error handling will never trigger.
Fixes: 57c5bc9ad7 ("net: hisilicon: add hix5hd2 mac driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "chip" variable is an enum, and it's treated as unsigned int by GCC
in this context so the error handling isn't triggered.
Fixes: e8d452923a ("cxgb4: clean up init_one")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The irqreturn_t type is an enum or an unsigned int in GCC. That
creates to problems because it can't detect if the
self->aq_hw_ops->hw_irq_read() call fails and at the end the function
always returns IRQ_HANDLED.
drivers/net/ethernet/aquantia/atlantic/aq_vec.c:316 aq_vec_isr_legacy() warn: unsigned 'err' is never less than zero.
drivers/net/ethernet/aquantia/atlantic/aq_vec.c:329 aq_vec_isr_legacy() warn: always true condition '(err >= 0) => (0-u32max >= 0)'
Fixes: 970a2e9864 ("net: ethernet: aquantia: Vector operations")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to Tal Gilboa the only benefit from DIM comes from a driver
that uses it. So it doesn't make sense to make this symbol user visible,
instead all drivers that use it should select it (as is already the case
AFAICT).
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
First set of fixes for 5.4 sent during the merge window. Most are
regressions fixes but the mt7615 problem has been since it was merged.
iwlwifi
* fix a build regression related CONFIG_THERMAL
* avoid using GEO_TX_POWER_LIMIT command on certain firmware versions
rtw88
* fixes for skb leaks
zd1211rw
* fix a compiler warning on 32 bit
mt76
* fix the firmware paths for mt7615 to match with linux-firmware
wil6210
* fix use of skb after free
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Merge tag 'wireless-drivers-for-davem-2019-09-26' of https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 5.4
First set of fixes for 5.4 sent during the merge window. Most are
regressions fixes but the mt7615 problem has been since it was merged.
iwlwifi
* fix a build regression related CONFIG_THERMAL
* avoid using GEO_TX_POWER_LIMIT command on certain firmware versions
rtw88
* fixes for skb leaks
zd1211rw
* fix a compiler warning on 32 bit
mt76
* fix the firmware paths for mt7615 to match with linux-firmware
wil6210
* fix use of skb after free
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 7d9e5f4221 removed references from certain dsts, but accounting
for this never translated down into the fib6 suppression code. This bug
was triggered by WireGuard users who use wg-quick(8), which uses the
"suppress-prefix" directive to ip-rule(8) for routing all of their
internet traffic without routing loops. The test case added here
causes the reference underflow by causing packets to evaluate a suppress
rule.
Fixes: 7d9e5f4221 ("ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Wei Wang <weiwan@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
userspace openvswitch patch "(dpif-linux: Implement the API
functions to allow multiple handler threads read upcall)"
changes its type from U32 to UNSPEC, but leave the kernel
unchanged
and after kernel 6e237d099f "(netlink: Relax attr validation
for fixed length types)", this bug is exposed by the below
warning
[ 57.215841] netlink: 'ovs-vswitchd': attribute type 5 has an invalid length.
Fixes: 5cd667b0a4 ("openvswitch: Allow each vport to have an array of 'port_id's")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Document RZ/G2N (R8A774B1) SoC bindings.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The size of individual pages in the page pool in given by an order. The
order is the binary logarithm of the number of pages that make up one of
the pages in the pool. However, the driver currently passes the number
of pages rather than the order, so it ends up wasting quite a bit of
memory.
Fix this by taking the binary logarithm and passing that in the order
field.
Fixes: 2af6106ae9 ("net: stmmac: Introducing support for Page Pool")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fei Liu reported a crash when doing netperf on a topo of macsec
dev over veth:
[ 448.919128] refcount_t: underflow; use-after-free.
[ 449.090460] Call trace:
[ 449.092895] refcount_sub_and_test+0xb4/0xc0
[ 449.097155] tcp_wfree+0x2c/0x150
[ 449.100460] ip_rcv+0x1d4/0x3a8
[ 449.103591] __netif_receive_skb_core+0x554/0xae0
[ 449.108282] __netif_receive_skb+0x28/0x78
[ 449.112366] netif_receive_skb_internal+0x54/0x100
[ 449.117144] napi_gro_complete+0x70/0xc0
[ 449.121054] napi_gro_flush+0x6c/0x90
[ 449.124703] napi_complete_done+0x50/0x130
[ 449.128788] gro_cell_poll+0x8c/0xa8
[ 449.132351] net_rx_action+0x16c/0x3f8
[ 449.136088] __do_softirq+0x128/0x320
The issue was caused by skb's true_size changed without its sk's
sk_wmem_alloc increased in tcp/skb_gro_receive(). Later when the
skb is being freed and the skb's truesize is subtracted from its
sk's sk_wmem_alloc in tcp_wfree(), underflow occurs.
macsec is calling gro_cells_receive() to receive a packet, which
actually requires skb->sk to be NULL. However when macsec dev is
over veth, it's possible the skb->sk is still set if the skb was
not unshared or expanded from the peer veth.
ip_rcv() is calling skb_orphan() to drop the skb's sk for tproxy,
but it is too late for macsec's calling gro_cells_receive(). So
fix it by dropping the skb's sk earlier on rx path of macsec.
Fixes: 5491e7c6b1 ("macsec: enable GRO and RPS on macsec devices")
Reported-by: Xiumei Mu <xmu@redhat.com>
Reported-by: Fei Liu <feliu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2019-09-24' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-09-24
This series introduces some fixes to mlx5 driver.
For more information please see tag log below.
Please pull and let me know if there is any problem.
For -stable v4.20:
('net/mlx5e: Fix traffic duplication in ethtool steering')
For -stable v4.19:
('net/mlx5: Add device ID of upcoming BlueField-2')
For -stable v5.3:
('net/mlx5e: Fix matching on tunnel addresses type')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Proper warnings with stack traces make it much easier to figure out
what's doing the double free and create more meaningful bug reports from
users.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yanjun has been spending quite a lot of time fixing bugs
in FORCEDETH source code. I'd like to add Yanjun to maintainers
list.
Signed-off-by: Rain River <rain.1986.08.12@gmail.com>
Acked-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
macb_64b_desc is always called when HW_DMA_CAP_64B is defined.
So the return NULL can never be reached. Remove the dead code.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Flow Control selftest is also available with ASYM Pause. Lets add
this check to the test and fix eventual false positive failures.
Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix sparse warning:
drivers/net/ethernet/freescale/gianfar.c:2070:6:
warning: symbol 'reset_gfar' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a statement that is indented one level too many, remove
the extraneous tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Juliet Kim says:
====================
net/ibmvnic: serialization fixes
This series includes two fixes. The first improves reset code to allow
linkwatch_event to proceed during reset. The second ensures that no more
than one thread runs in reset at a time.
v2:
- Separate change param reset from do_reset()
- Return IBMVNIC_OPEN_FAILED if __ibmvnic_open fails
- Remove setting wait_for_reset to false from __ibmvnic_reset(), this
is done in wait_for_reset()
- Move the check for force_reset_recovery from patch 1 to patch 2
v3:
- Restore reset’s successful return in open failure case
v4:
- Change resetting flag access to atomic
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code allows more than one thread to run in reset. This can
corrupt struct adapter data. Check adapter->resetting before performing
a reset, if there is another reset running delay (100 msec) before trying
again.
Signed-off-by: Juliet Kim <julietk@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit a5681e20b5 ("net/ibmnvic: Fix deadlock problem in reset")
made the change to hold the RTNL lock during a reset to avoid deadlock
but linkwatch_event is fired during the reset and needs the RTNL lock.
That keeps linkwatch_event process from proceeding until the reset
is complete. The reset process cannot tolerate the linkwatch_event
processing after reset completes, so release the RTNL lock during the
process to allow a chance for linkwatch_event to run during reset.
This does not guarantee that the linkwatch_event will be processed as
soon as link state changes, but is an improvement over the current code
where linkwatch_event processing is always delayed, which prevents
transmissions on the device from being deactivated leading transmit
watchdog timer to time-out.
Release the RTNL lock before link state change and re-acquire after
the link state change to allow linkwatch_event to grab the RTNL lock
and run during the reset.
Fixes: a5681e20b5 ("net/ibmnvic: Fix deadlock problem in reset")
Signed-off-by: Juliet Kim <julietk@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The debug code dereferences "skb" to print "skb->len" so we have to
print the message before we free "skb".
Fixes: f99fe49ff3 ("wil6210: add wil_netif_rx() helper function")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Running old skge driver on PowerPC causes checksum errors
because hardware reported 1's complement checksum is in little-endian
byte order.
Reported-by: Benoit <benoit.sansoni@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct archdr is only big enough to hold the header of various types of
arcnet packets. So to provide enough space to hold the data read from
hardware provide a buffer large enough to hold a packet with maximal
size.
The problem was noticed by the stack protector which makes the kernel
oops.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The intention was to have the GEO_TX_POWER_LIMIT command in FW version
36 as well, but not all 8000 family got this feature enabled. The
8000 family is the only one using version 36, so skip this version
entirely. If we try to send this command to the firmwares that do not
support it, we get a BAD_COMMAND response from the firmware.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=204151.
Cc: stable@vger.kernel.org # 4.19+
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt7615 patch/n9/cr4 firmwares are available in mediatek folder in
linux-firmware repository. Because of this mt7615 won't work on regular
distributions like Ubuntu. Fix path definitions. Moreover remove useless
firmware name pointers and use definitions directly
Fixes: 04b8e65922 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Cc: stable@vger.kernel.org
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Greg Kroah-Hartman says:
====================
Raw socket cleanups
Ori Nimron pointed out that there are a number of places in the kernel
where you can create a raw socket, without having to have the
CAP_NET_RAW permission.
To resolve this, here's a short patch series to test these odd and old
protocols for this permission before allowing the creation to succeed
All patches are currently against the net tree.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_NFC socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_IEEE802154 socket, CAP_NET_RAW needs to be
checked first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_APPLETALK socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_ISDN socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
In mlx5 parse_tunnel_attr() function dispatch on encap IP address type
is performed by directly checking flow_rule_match_key() on
FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, and then on
FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS. However, since those are stored in
union, first check is always true if any type of encap address is set,
which leads to IPv6 tunnel encap address being parsed as IPv4 by mlx5.
Determine correct IP address type by checking control key first and if
it set, take address type from match.key->addr_type.
Fixes: d1bda7eecd ("net/mlx5e: Allow matching only enc_key_id/enc_dst_port for decapsulation action")
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Before this patch, when adding multiple ethtool steering rules with
identical classification, the driver used to append the new destination
to the already existing hw rule, which caused the hw to forward the
traffic to all destinations (rx queues).
Here we avoid this by setting the "no append" mlx5 fs core flag when
adding a new ethtool rule.
Fixes: 6dc6071cfc ("net/mlx5e: Add ethtool flow steering support")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Add the device ID of upcoming BlueField-2 integrated ConnectX-6 Dx
network controller. Its VFs will be using the generic VF device ID:
0x101e "ConnectX Family mlx5Gen Virtual Function".
Fixes: 2e9d3e83ab ("net/mlx5: Update the list of the PCI supported devices")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
In case source_eswitch_owner_vhca_id is given as a match,
the source_vport (vhca_id) will be set in case vhca_id_valid.
This will allow matching on peer vports, vports that belong
to the other pf.
Fixes: 26d688e33f ("net/mlx5: DR, Add Steering entry (STE) utilities")
Signed-off-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
When we free an STE and the STE is in the middle of collision
list, the prev_ste was obtained incorrectly from the list.
To avoid such issues list_entry calls replaced with standard list API.
Fixes: 26d688e33f ("net/mlx5: DR, Add Steering entry (STE) utilities")
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The vport number is part of the vport_cap, there is no reason
to store in a separate variable on the vport.
Fixes: 9db810ed2d ("net/mlx5: DR, Expose steering action functionality")
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
After firmware has been downloaded, driver should send
some information to it through H2C commands. Those H2C
commands are transmitted through TX path.
But before HCI has been started, the TX path is not
working completely. Such as PCI interfaces, the interrupts
are not enabled, hence TX interrupts will not be issued
after H2C skb has been DMAed to the device. And the H2C
skbs will not be released until the device is powered off.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch corrects the SPDX License Identifier style
in header file for Distributed Switch Architecture drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This patch corrects the SPDX License Identifier style
in header file for Broadcom BCM53xx managed switch driver.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
We need to set the error code on this path. Otherwise it probably
results in a NULL dereference down the line.
Fixes: aa3198819b ("ionic: Add RSS support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
