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l2t_seq_next should increase position index
authorVasily Averin <vvs@virtuozzo.com>
Thu, 23 Jan 2020 07:11:13 +0000 (10:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Feb 2020 13:03:46 +0000 (13:03 +0000)
commitc10c5bb8a8b32a18cb3a408b28350b17ec9cda4c
tree14657dca60d531a9d07ee881bfa09e1380a07edb
parent6ffe7ec419b5dc0c41d4862fd1fe436494a2523b
l2t_seq_next should increase position index

[ Upstream commit 66018a102f7756cf72db4d2704e1b93969d9d332 ]

if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/chelsio/cxgb4/l2t.c