[PATCH 1/3] slab: check the return value of check_bytes_and_report()

[Chengming Zhou]

All check_bytes_and_report() callers have checked its return value except
for this one. We should also check its return value here obviously, so
fix it.

Signed-off-by: Chengming Zhou <chengming.zhou@xxxxxxxxx>
---
 mm/slub.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 0809760cf789..de57512734ac 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1324,9 +1324,10 @@ static int check_object(struct kmem_cache *s, struct slab *slab,
 		}
 	} else {
 		if ((s->flags & SLAB_POISON) && s->object_size < s->inuse) {
-			check_bytes_and_report(s, slab, p, "Alignment padding",
+			if (!check_bytes_and_report(s, slab, p, "Alignment padding",
 				endobject, POISON_INUSE,
-				s->inuse - s->object_size);
+				s->inuse - s->object_size))
+				return 0;
 		}
 	}
 

-- 
2.45.1