Commit 8b7feff8 authored by Pierre Ossman's avatar Pierre Ossman
Browse files

mmc: correct request error handling 



We need to jump to the part of just flushing the request
when we cannot claim the bus. Sending commands to a bus
we do not own will give unpredictable results.

Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 89b4e133

drivers/mmc/mmc_block.c

+3 −4
Original line number Diff line number Diff line
@@ -224,10 +224,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) 
	struct mmc_blk_data *md = mq->data;

	struct mmc_card *card = md->queue.card;

	struct mmc_blk_request brq;

	int ret;

	int ret = 1;



	if (mmc_card_claim_host(card))

		goto cmd_err;

		goto flush_queue;



	do {

		struct mmc_command cmd;
@@ -344,8 +344,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) 
	return 1;



 cmd_err:

	ret = 1;



 	/*

 	 * If this is an SD card and we're writing, we can first

 	 * mark the known good sectors as ok.
@@ -379,6 +377,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) 


	mmc_card_release_host(card);



flush_queue:

	spin_lock_irq(&md->lock);

	while (ret) {

		ret = end_that_request_chunk(req, 0,