core: simplify check for path absoluteness

Just a microopt.

diff --git a/src/core/unit.c b/src/core/unit.c
index e3b620603cf2c489ba10e5063a7e923a8bd5d2ee..fc1465834c0d84da8e64e860567f3a14d720d56a 100644 (file)
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2997,17 +2997,15 @@ int unit_require_mounts_for(Unit *u, const char *path) {
          * units can easily determine which units to make themselves a
          * dependency of. */
 
+        if (!path_is_absolute(path))
+                return -EINVAL;
+
         p = strdup(path);
         if (!p)
                 return -ENOMEM;
 
         path_kill_slashes(p);
 
-        if (!path_is_absolute(p)) {
-                free(p);
-                return -EINVAL;
-        }
-
         if (!path_is_safe(p)) {
                 free(p);
                 return -EPERM;