From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 16 Jan 2026 16:55:47 +0000 (+0100)
Subject: chase: extend coverage of the root fd shortcut
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c67abc9c43d2761af9f58df57eeee96b0f045f98;p=thirdparty%2Fsystemd.git

chase: extend coverage of the root fd shortcut

Let's use dir_fd_is_root() to check if we are looking at the real root
fs.
---

diff --git a/src/basic/chase.c b/src/basic/chase.c
index 323e4623754..f360cc26a3c 100644
--- a/src/basic/chase.c
+++ b/src/basic/chase.c
@@ -220,7 +220,10 @@ int chaseat(int dir_fd, const char *path, ChaseFlags flags, char **ret_path, int
          */
 
         _cleanup_close_ int _dir_fd = -EBADF;
-        if (dir_fd == XAT_FDROOT) {
+        r = dir_fd_is_root(dir_fd);
+        if (r < 0)
+                return r;
+        if (r > 0) {
 
                 /* Shortcut the common case where no root dir is specified, and no special flags are given to
                  * a regular open() */