From: Shawn Lin Date: Wed, 2 Nov 2016 07:26:49 +0000 (+0800) Subject: mmc: queue: remove BUG_ON for bounce_sg X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8508cb9868015cad4f10d818f32f4030c75e88e0;p=linux-beck.git mmc: queue: remove BUG_ON for bounce_sg bounce_sg for mqrq_cur and mqrq_pre are proper allocated when initializing the queue and will not be freed before explicitly cleaning the queue. So from the code itself it should be quite confident to remove this check. If that BUG_ON take effects, it is mostly likely the memory is randomly oopsing. Signed-off-by: Shawn Lin Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 32ab5a1947b0..cf29809f69e4 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;