udev-util: add parentheses to make coverity silent

Fixes CID#1474365.

diff --git a/src/shared/udev-util.c b/src/shared/udev-util.c
index 2f21ee6dbee9d71e0be6b25f8c157231f6b8a623..f91ee3e1bdb31fe205fe793acec20bc3a925553a 100644 (file)
--- a/src/shared/udev-util.c
+++ b/src/shared/udev-util.c
@@ -736,5 +736,5 @@ bool udev_available(void) {
         if (cache >= 0)
                 return cache;
 
-        return (cache = path_is_read_only_fs("/sys/") <= 0);
+        return (cache = (path_is_read_only_fs("/sys/") <= 0));
 }