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netfilter: synproxy: synproxy_cpu_seq_next should increase position index 

commit bb71f846a0 upstream.

If .next function does not change position index,
following .show function will repeat output related
to current position index.

Cc: stable@vger.kernel.org
Fixes: 1f4aace60b ("fs/seq_file.c: simplify seq_file iteration code ...")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasily Averin 2020-02-25 10:05:59 +03:00 committed by Greg Kroah-Hartman
parent 1c6e75702f
commit 16c0ae0a04
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_synproxy_core.c
View File

@ -267,7 +267,7 @@ static void *synproxy_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
*pos = cpu + 1; *pos = cpu + 1;
return per_cpu_ptr(snet->stats, cpu); return per_cpu_ptr(snet->stats, cpu);
} }
(*pos)++;
return NULL; return NULL;
} }