diff mbox series

[3/6] vcc_seq_next should increase position index

Message ID 124d05e1-1c57-4824-4037-b8066af4a229@virtuozzo.com
State Accepted
Delegated to: David Miller
Headers show
Series None | expand

Commit Message

Vasily Averin Jan. 23, 2020, 7:11 a.m. UTC
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>
---
 net/atm/proc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/atm/proc.c b/net/atm/proc.c
index d79221f..c318967 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;
 }