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| author | Vasily Averin <vvs@virtuozzo.com> | 2020-01-23 10:11:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-05 21:22:51 +0000 |
| commit | b71636ee37fa8f318156f58c80ed460e53351e37 (patch) | |
| tree | b72382de77fdd1b557fc3e7ad6a94e182d5025a0 | |
| parent | 148a71a8ece874a30ee7aed13aeec9be8e3964bb (diff) | |
| download | linux-b71636ee37fa8f318156f58c80ed460e53351e37.tar.gz linux-b71636ee37fa8f318156f58c80ed460e53351e37.tar.bz2 linux-b71636ee37fa8f318156f58c80ed460e53351e37.zip | |
l2t_seq_next should increase position index
[ Upstream commit 66018a102f7756cf72db4d2704e1b93969d9d332 ]
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>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/l2t.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index 1a407d3c1d67..e6fe2870137b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -682,8 +682,7 @@ 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; } |