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-rw-r--r--block/blk-timeout.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index bbbdc4b8ccf2..1ec0d503cacd 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -211,6 +211,12 @@ void blk_abort_queue(struct request_queue *q)
211 struct request *rq, *tmp; 211 struct request *rq, *tmp;
212 LIST_HEAD(list); 212 LIST_HEAD(list);
213 213
214 /*
215 * Not a request based block device, nothing to abort
216 */
217 if (!q->request_fn)
218 return;
219
214 spin_lock_irqsave(q->queue_lock, flags); 220 spin_lock_irqsave(q->queue_lock, flags);
215 221
216 elv_abort_queue(q); 222 elv_abort_queue(q);
@@ -224,6 +230,13 @@ void blk_abort_queue(struct request_queue *q)
224 list_for_each_entry_safe(rq, tmp, &list, timeout_list) 230 list_for_each_entry_safe(rq, tmp, &list, timeout_list)
225 blk_abort_request(rq); 231 blk_abort_request(rq);
226 232
233 /*
234 * Occasionally, blk_abort_request() will return without
235 * deleting the element from the list. Make sure we add those back
236 * instead of leaving them on the local stack list.
237 */
238 list_splice(&list, &q->timeout_list);
239
227 spin_unlock_irqrestore(q->queue_lock, flags); 240 spin_unlock_irqrestore(q->queue_lock, flags);
228 241
229} 242}