bio_alloc_bioset returns NULL on failure. This fix adds a missing check
for potential NULL pointer dereferencing.
Signed-off-by: Kumar Amit Mehta <gmate.amit@xxxxxxxxx>
---
drivers/md/bcache/io.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c
index 29f344b..4be2a07 100644
--- a/drivers/md/bcache/io.c
+++ b/drivers/md/bcache/io.c
@@ -98,6 +98,8 @@ struct bio *bch_bio_split(struct bio *bio, int sectors,
if (bio->bi_rw & REQ_DISCARD) {
ret = bio_alloc_bioset(gfp, 1, bs);
+ if (!ret)
+ return NULL;
idx = 0;
goto out;
}
--
1.7.10.4
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