diff options
| author | Vishal Kulkarni <vishal@chelsio.com> | 2019-12-13 06:39:39 +0530 |
|---|---|---|
| committer | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-12-15 11:27:31 -0800 |
| commit | 479a0d1376f6d97c60871442911f1394d4446a25 (patch) | |
| tree | 5a4033d792201348fc9f1dfac7c5421ca0115956 /drivers/net/xen-netback/interface.c | |
| parent | 86434744fedf0cfe07a9eee3f4632c0e25c1d136 (diff) | |
cxgb4: Fix kernel panic while accessing sge_info
The sge_info debugfs collects offload queue info even when offload
capability is disabled and leads to panic.
[ 144.139871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 144.139874] CR2: 0000000000000000 CR3: 000000082d456005 CR4: 00000000001606e0
[ 144.139876] Call Trace:
[ 144.139887] sge_queue_start+0x12/0x30 [cxgb4]
[ 144.139897] seq_read+0x1d4/0x3d0
[ 144.139906] full_proxy_read+0x50/0x70
[ 144.139913] vfs_read+0x89/0x140
[ 144.139916] ksys_read+0x55/0xd0
[ 144.139924] do_syscall_64+0x5b/0x1d0
[ 144.139933] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 144.139936] RIP: 0033:0x7f4b01493990
Fix this crash by skipping the offload queue access in sge_qinfo when
offload capability is disabled
Signed-off-by: Herat Ramani <herat@chelsio.com>
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
0 files changed, 0 insertions, 0 deletions