---

yaml --- r: 135890 b: refs/heads/master c: a536e38 h: refs/heads/master v: v3
git-mirror · Mar 11, 2009 · 2bf439a · 2bf439a
1 parent 303b88a
commit 2bf439a
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 43279e5376017c40b4be9af5bc79cbb4ef6f53d7
+refs/heads/master: a536e38125fe5da8ed49690f30c30a8f651cf1f5
diff --git a/trunk/fs/dlm/lock.c b/trunk/fs/dlm/lock.c
@@ -2186,6 +2186,13 @@ static int validate_unlock_args(struct dlm_lkb *lkb, struct dlm_args *args)
 			goto out;
 		}
 
+		/* there's nothing to cancel */
+		if (lkb->lkb_status == DLM_LKSTS_GRANTED &&
+		    !lkb->lkb_wait_type) {
+			rv = -EBUSY;
+			goto out;
+		}
+
 		switch (lkb->lkb_wait_type) {
 		case DLM_MSG_LOOKUP:
 		case DLM_MSG_REQUEST: