The patch titled
Subject: relay: check array offset before using it
has been removed from the -mm tree. Its filename was
relay-check-array-offset-before-using-it.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: relay: check array offset before using it
Smatch complains that we started using the array offset before we
checked that it was valid.
Fixes: 017c59c042d0 ('relay: Use per CPU constructs for the relay channel buffer pointers')
Link: http://lkml.kernel.org/r/20161013084947.GC16198@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/relay.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/relay.c~relay-check-array-offset-before-using-it kernel/relay.c
--- a/kernel/relay.c~relay-check-array-offset-before-using-it
+++ a/kernel/relay.c
@@ -809,11 +809,11 @@ void relay_subbufs_consumed(struct rchan
{
struct rchan_buf *buf;
- if (!chan)
+ if (!chan || cpu >= NR_CPUS)
return;
buf = *per_cpu_ptr(chan->buf, cpu);
- if (cpu >= NR_CPUS || !buf || subbufs_consumed > chan->n_subbufs)
+ if (!buf || subbufs_consumed > chan->n_subbufs)
return;
if (subbufs_consumed > buf->subbufs_produced - buf->subbufs_consumed)
_
Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are
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