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>
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@ -134,8 +134,7 @@ static void vcc_seq_stop(struct seq_file *seq, void *v)
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static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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{
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v = vcc_walk(seq, 1);
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v = vcc_walk(seq, 1);
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if (v)
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(*pos)++;
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(*pos)++;
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return v;
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return v;
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}
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}
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