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mirror_ubuntu-kernels/drivers/net/netdevsim
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Ido Schimmel 34513ada53 netdevsim: Fix hwstats debugfs file permissions 
The hwstats debugfs files are only writeable, but they are created with
read and write permissions, causing certain selftests to fail [1].

Fix by creating the files with write permission only.

[1]
 # ./test_offload.py
 Test destruction of generic XDP...
 Traceback (most recent call last):
   File "/home/idosch/code/linux/tools/testing/selftests/bpf/./test_offload.py", line 810, in <module>
     simdev = NetdevSimDev()
 [...]
 Exception: Command failed: cat /sys/kernel/debug/netdevsim/netdevsim0//ports/0/dev/hwstats/l3/disable_ifindex

 cat: /sys/kernel/debug/netdevsim/netdevsim0//ports/0/dev/hwstats/l3/disable_ifindex: Invalid argument

Fixes: 1a6d7ae7d6 ("netdevsim: Introduce support for L3 offload xstats")
Reported-by: Jie2x Zhou <jie2x.zhou@intel.com>
Tested-by: Jie2x Zhou <jie2x.zhou@intel.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/20220909153830.3732504-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-19 14:40:38 -07:00
..
bpf.c netdevsim: Avoid allocation warnings triggered from user space 2022-07-29 14:57:26 -07:00
bus.c netdevsim: convert driver to use unlocked devlink API during init/fini 2022-07-18 20:10:48 -07:00
dev.c net: devlink: convert reload command to take implicit devlink->lock 2022-08-01 12:14:00 +01:00
ethtool.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-16 16:13:19 -08:00
fib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-03 09:04:55 +02:00
health.c devlink: Delete not-used devlink APIs 2021-09-17 14:19:39 +01:00
hwstats.c netdevsim: Fix hwstats debugfs file permissions 2022-09-19 14:40:38 -07:00
ipsec.c netdevsim: rely on XFRM state direction instead of flags 2022-05-06 08:34:33 +02:00
Makefile netdevsim: Introduce support for L3 offload xstats 2022-03-15 14:00:51 +01:00
netdev.c net: Use u64_stats_fetch_begin_irq() for stats fetch. 2022-08-29 13:02:27 +01:00
netdevsim.h netdevsim: convert driver to use unlocked devlink API during init/fini 2022-07-18 20:10:48 -07:00
psample.c netdevsim: Only use sampling truncation length when valid 2021-04-22 13:23:56 -07:00
udp_tunnels.c netdevsim: set .owner to THIS_MODULE 2020-11-17 14:08:59 -08:00