---

yaml --- r: 190799 b: refs/heads/master c: 91af708 h: refs/heads/master i: 190797: e27b54a 190795: e513b64 190791: 89c845d 190783: 6abd9c2 v: v3
git-mirror · May 13, 2010 · 8be4469 · 8be4469
1 parent fd605c8
commit 8be4469
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cea0d767c29669bf89f86e4aee46ef462d2ebae8
+refs/heads/master: 91af70814105f4c05e6e11b51c3269907b71794b
diff --git a/trunk/lib/rwsem.c b/trunk/lib/rwsem.c
@@ -136,9 +136,10 @@ __rwsem_do_wake(struct rw_semaphore *sem, int downgrading)
  out:
 	return sem;
 
-	/* undo the change to count, but check for a transition 1->0 */
+	/* undo the change to the active count, but check for a transition
+	 * 1->0 */
  undo:
-	if (rwsem_atomic_update(-RWSEM_ACTIVE_BIAS, sem) != 0)
+	if (rwsem_atomic_update(-RWSEM_ACTIVE_BIAS, sem) & RWSEM_ACTIVE_MASK)
 		goto out;
 	goto try_again;
 }