properly handle return codes

Signed-off-by: John Crispin <blogic@openwrt.org>

diff --git a/cgi.c b/cgi.c
index a2a7e50..dc302a9 100644 (file)
--- a/cgi.c
+++ b/cgi.c
@@ -52,12 +52,12 @@ static void cgi_main(struct client *cl, struct path_info *pi, char *url)
                setenv(var->name, var->value, 1);
        }
 
-       chdir(pi->root);
-
-       if (ip)
-               execl(ip->path, ip->path, pi->phys, NULL);
-       else
-               execl(pi->phys, pi->phys, NULL);
+       if (!chdir(pi->root)) {
+               if (ip)
+                       execl(ip->path, ip->path, pi->phys, NULL);
+               else
+                       execl(pi->phys, pi->phys, NULL);
+       }
 
        printf("Status: 500 Internal Server Error\r\n\r\n"
               "Unable to launch the requested CGI program:\n"