1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c
index 4e6a534e91d0..5fa72ccb4feb 100644
--- a/drivers/mmc/mmc_queue.c
+++ b/drivers/mmc/mmc_queue.c
@@ -103,6 +103,19 @@ static int mmc_queue_thread(void *d)
 static void mmc_request(request_queue_t *q)
 {
         struct mmc_queue *mq = q->queuedata;
+        struct request *req;
+        int ret;
+
+        if (!mq) {
+                printk(KERN_ERR "MMC: killing requests for dead queue\n");
+                while ((req = elv_next_request(q)) != NULL) {
+                        do {
+                                ret = end_that_request_chunk(req, 0,
+                                        req->current_nr_sectors << 9);
+                        } while (ret);
+                }
+                return;
+        }
 
         if (!mq->req)
                 wake_up_process(mq->thread);
@@ -168,6 +181,15 @@ EXPORT_SYMBOL(mmc_init_queue);
 
 void mmc_cleanup_queue(struct mmc_queue *mq)
 {
+        request_queue_t *q = mq->queue;
+        unsigned long flags;
+
+        /* Mark that we should start throwing out stragglers */
+        spin_lock_irqsave(q->queue_lock, flags);
+        q->queuedata = NULL;
+        spin_unlock_irqrestore(q->queue_lock, flags);
+
+        /* Then terminate our worker thread */
         kthread_stop(mq->thread);
 
         kfree(mq->sg);