| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.4 454/459] help_next should increase position index | Date | Fri, 14 Feb 2020 11:01:44 -0500 |
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From: Vasily Averin <vvs@virtuozzo.com>
[ 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 | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c index 25543a966c486..29eaa45443727 100644 --- a/fs/orangefs/orangefs-debugfs.c +++ b/fs/orangefs/orangefs-debugfs.c @@ -273,6 +273,7 @@ static void *help_start(struct seq_file *m, loff_t *pos) static void *help_next(struct seq_file *m, void *v, loff_t *pos) { + (*pos)++; gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_next: start\n"); return NULL; -- 2.20.1
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