Commit 5c694129 authored by Kumar Amit Mehta's avatar Kumar Amit Mehta Committed by Kent Overstreet

md: bcache: io.c: fix a potential NULL pointer dereference

bio_alloc_bioset returns NULL on failure. This fix adds a missing check
for potential NULL pointer dereferencing.
Signed-off-by: default avatarKumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: default avatarKent Overstreet <koverstreet@google.com>
parent 9e895ace
......@@ -97,6 +97,8 @@ 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;
}
......
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