diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 32ab5a1947b0c58bc1f4d71d1b3445165ada02d0..cf29809f69e4e2cc462ff0e6e2f71d620a551913 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -445,8 +445,6 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq, struct mmc_queue_req *mqrq)
 	if (!mqrq->bounce_buf)
 		return blk_rq_map_sg(mq->queue, mqrq->req, mqrq->sg);
 
-	BUG_ON(!mqrq->bounce_sg);
-
 	sg_len = blk_rq_map_sg(mq->queue, mqrq->req, mqrq->bounce_sg);
 
 	mqrq->bounce_sg_len = sg_len;