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l2t_seq_next should increase position index 

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>
alistair/sunxi64-5.5-dsi
Vasily Averin 2020-01-23 10:11:13 +03:00 committed by David S. Miller
parent 70a87287c8
commit 66018a102f
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/chelsio/cxgb4/l2t.c
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@ -678,8 +678,7 @@ static void *l2t_seq_start(struct seq_file *seq, loff_t *pos)
static void *l2t_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = l2t_get_idx(seq, *pos);
if (v)
++*pos;
++(*pos);
return v;
}