chdir returns 0 on success, compare against it

diff --git a/ext/standard/dir.c b/ext/standard/dir.c
index 9b00a3879e6bf2ee78ec36235d93a09c760271fe..93aef51e7b4b29fb27180656101032454c2531be 100644 (file)
--- a/ext/standard/dir.c
+++ b/ext/standard/dir.c
@@ -212,7 +212,7 @@ PHP_FUNCTION(chdir)
 
        ret = V_CHDIR((*arg)->value.str.val);
        
-       if (ret < 0) {
+       if (ret != 0) {
                php_error(E_WARNING, "ChDir: %s (errno %d)", strerror(errno), errno);
                RETURN_FALSE;
        }