bio_alloc_bioset returns NULL on failure. This fix adds a missing check for potential NULL pointer dereferencing.
Signed-off-by: Kumar Amit Mehta <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
