From: Mantas Mikulėnas <grawity@gmail.com>
Date: Sun, 9 Sep 2012 12:16:19 +0000 (+0300)
Subject: path-util: fall back to stat() if kernel does not support name_to_handle_at()
X-Git-Tag: v190~152
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=fa125f4e44aaf102548ab464e3ea457214fd56e0;hp=8ac7549330c774b8ca04034c1303165fe6a920b0;p=elogind.git

path-util: fall back to stat() if kernel does not support name_to_handle_at()

Fixes instant hang on kernels that do not have CONFIG_FHANDLE enabled.
---

diff --git a/src/shared/path-util.c b/src/shared/path-util.c
index 97a200504..b51a68d6d 100644
--- a/src/shared/path-util.c
+++ b/src/shared/path-util.c
@@ -349,8 +349,8 @@ int path_is_mount_point(const char *t, bool allow_symlink) {
 
         r = name_to_handle_at(AT_FDCWD, t, h, &mount_id, allow_symlink ? AT_SYMLINK_FOLLOW : 0);
         if (r < 0) {
-                if (errno == ENOTSUP)
-                        /* This file system does not support
+                if (errno == ENOSYS || errno == ENOTSUP)
+                        /* This kernel or file system does not support
                          * name_to_handle_at(), hence fallback to the
                          * traditional stat() logic */
                         goto fallback;