X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=block%2Fblk-exec.c;h=ac2c6e7f0538239a21db0c873bed4090d2f13d3e;hp=a1ebceb332f963ee366aa7ebed60d69c4e1c11cb;hb=32eb44e290d1151e9eb26f57564dae6966190685;hpb=d0e323b47057f4492b8fa22345f38d80a469bf8d

diff --git a/block/blk-exec.c b/block/blk-exec.c
index a1ebceb332f9..ac2c6e7f0538 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -49,8 +49,9 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
 			   rq_end_io_fn *done)
 {
 	int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
+	bool is_pm_resume;
 
-	if (unlikely(test_bit(QUEUE_FLAG_DEAD, &q->queue_flags))) {
+	if (unlikely(blk_queue_dead(q))) {
 		rq->errors = -ENXIO;
 		if (rq->end_io)
 			rq->end_io(rq, rq->errors);
@@ -59,12 +60,18 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
 
 	rq->rq_disk = bd_disk;
 	rq->end_io = done;
+	/*
+	 * need to check this before __blk_run_queue(), because rq can
+	 * be freed before that returns.
+	 */
+	is_pm_resume = rq->cmd_type == REQ_TYPE_PM_RESUME;
+
 	WARN_ON(irqs_disabled());
 	spin_lock_irq(q->queue_lock);
 	__elv_add_request(q, rq, where);
 	__blk_run_queue(q);
 	/* the queue is stopped so it won't be run */
-	if (rq->cmd_type == REQ_TYPE_PM_RESUME)
+	if (is_pm_resume)
 		q->request_fn(q);
 	spin_unlock_irq(q->queue_lock);
 }