atomic mutex don't recursive enter

enter pairs with exit, and not, say, enter

Change-Id: I7fe76c7ba125f9384205904318564173583e8b22
Reviewed-on: http://gerrit.openafs.org/3006
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>

diff --git a/src/rx/rx_atomic.h b/src/rx/rx_atomic.h
index 5d44b65..f82e2b3 100644 (file)
--- a/src/rx/rx_atomic.h
+++ b/src/rx/rx_atomic.h
@@ -273,7 +273,7 @@ static_inline void
 rx_atomic_sub(rx_atomic_t *atomic, int change) {
     MUTEX_ENTER(&rx_atomic_mutex);
     atomic->var -= change;
-    MUTEX_ENTER(&rx_atomic_mutex);
+    MUTEX_EXIT(&rx_atomic_mutex);
 }
 
 #endif