unit: check correct variable after strdup

diff --git a/src/core/unit.c b/src/core/unit.c
index dd08011..b245356 100644 (file)
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2326,7 +2326,7 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
                         char *s;
 
                         s = strdup(v);
-                        if (!v)
+                        if (!s)
                                 return -ENOMEM;
 
                         free(u->cgroup_path);