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 21:22:51 +0000 (21:22 +0000)
commitb71636ee37fa8f318156f58c80ed460e53351e37
treeb72382de77fdd1b557fc3e7ad6a94e182d5025a0
parent148a71a8ece874a30ee7aed13aeec9be8e3964bb
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