From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Sat, 22 Oct 2022 18:22:25 +0000 (-0400)
Subject: Returning path - p where p is NULL results in a positive value
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea05bc57bdea30d29d69fd0a7897fcef2a32cce9;p=thirdparty%2Ffreeradius-server.git

Returning path - p where p is NULL results in a positive value
---

diff --git a/src/lib/util/file.c b/src/lib/util/file.c
index 3c24f93aa38..b5202d110c8 100644
--- a/src/lib/util/file.c
+++ b/src/lib/util/file.c
@@ -95,7 +95,7 @@ static ssize_t _fr_mkdir(int *fd_out, char *path, mode_t mode, fr_mkdir_func_t f
 	 *	error occured.
 	 */
 	p = strrchr(path, FR_DIR_SEP);
-	if (!p || (p == path)) return path - p;
+	if (!p || (p == path)) return 0;	/* Error at index 0 */
 
 	*p = '\0';
 	if (_fr_mkdir(fd_out, path, mode, func, uctx) <= 0) return path - p;