help_next should increase position index
authorVasily Averin <vvs@virtuozzo.com>
Fri, 24 Jan 2020 06:10:47 +0000 (09:10 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 24 Feb 2020 07:34:53 +0000 (08:34 +0100)
commitf3c539fbfa566b04f75ef728c1b1af3eb880c7dd
treef40c522fcf310835e6cdae27a789067c934b86d9
parent47f44085e01f7f68450d7a1a46369a6252505223
help_next should increase position index

[ Upstream commit 9f198a2ac543eaaf47be275531ad5cbd50db3edf ]

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: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/orangefs/orangefs-debugfs.c