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authorVasily Averin <vvs@virtuozzo.com>2020-01-23 10:11:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-01 13:17:24 +0200
commitf508c5d99343555e9c1abbc4c10ae412da539a4c (patch)
tree7c97ac9a1375b4c557f0db6366be63d5e5c8df3a /net/atm
parent8c926e159aface3567b2ded6024b1b14c0f27f18 (diff)
vcc_seq_next should increase position index
[ Upstream commit 8bf7092021f283944f0c5f4c364853201c45c611 ] 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>
Diffstat (limited to 'net/atm')
-rw-r--r--net/atm/proc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/atm/proc.c b/net/atm/proc.c
index d79221fd4dae..c31896707313 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -134,8 +134,7 @@ static void vcc_seq_stop(struct seq_file *seq, void *v)
static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = vcc_walk(seq, 1);
- if (v)
- (*pos)++;
+ (*pos)++;
return v;
}