diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index c1e487d1261c..958c3a1c453a 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -1102,6 +1102,12 @@ static void detached_dev_do_request(struct bcache_device *d, struct bio *bio)
 	 * which would call closure_get(&dc->disk.cl)
 	 */
 	ddip = kzalloc(sizeof(struct detached_dev_io_private), GFP_NOIO);
+	if (!ddip) {
+		bio->bi_status = BLK_STS_RESOURCE;
+		bio->bi_end_io(bio);
+		return;
+	}
+
 	ddip->d = d;
 	ddip->start_time = jiffies;
 	ddip->bi_end_io = bio->bi_end_io;