Commit 70a87287 authored Jan 23, 2020 by Vasily Averin Committed by David S. Miller Jan 24, 2020

seq_tab_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>

parent 2bec445f

drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -70,8 +70,7 @@ static void seq_tab_start(struct seq_file seq, loff_t *pos)
		static void seq_tab_next(struct seq_file seq, void v, loff_t pos)
		{
		v = seq_tab_get_idx(seq->private, *pos + 1);
		if (v)
		++*pos;
		++(*pos);
		return v;
		}

Admin message