---

yaml --- r: 206234 b: refs/heads/master c: 4ce48b3 h: refs/heads/master v: v3
git-mirror · Jul 2, 2010 · 52530f5 · 52530f5
1 parent e4b6690
commit 52530f5
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cb444766996395d4370bcc17ec895dd4e13ceb72
+refs/heads/master: 4ce48b37bfedc2bc11e61eae76784887e88b922c
diff --git a/trunk/kernel/workqueue.c b/trunk/kernel/workqueue.c
@@ -2138,6 +2138,10 @@ void flush_workqueue(struct workqueue_struct *wq)
 
 	mutex_lock(&wq->flush_mutex);
 
+	/* we might have raced, check again with mutex held */
+	if (wq->first_flusher != &this_flusher)
+		goto out_unlock;
+
 	wq->first_flusher = NULL;
 
 	BUG_ON(!list_empty(&this_flusher.list));