diff options
Diffstat (limited to 'shlibs/mount/src/utils.c')
| -rw-r--r-- | shlibs/mount/src/utils.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/shlibs/mount/src/utils.c b/shlibs/mount/src/utils.c index 55e060581..15785df2a 100644 --- a/shlibs/mount/src/utils.c +++ b/shlibs/mount/src/utils.c @@ -325,8 +325,10 @@ int mnt_has_regular_mtab(void) /** * mnt_get_writable_mtab_path: * - * Returns: pointer to the static string with path to the file with userspace - * mount options (classic /etc/mtab or /var/run/mount/mountinfo) + * It's not error if this function return NULL and errno is not set. In case of + * error the errno is set by open(2). + * + * Returns: pointer to the static string with path to mtab or NULL. */ const char *mnt_get_writable_mtab_path(void) { @@ -336,6 +338,8 @@ const char *mnt_get_writable_mtab_path(void) mtab = !lstat(_PATH_MOUNTED, &mst); info = !stat(MNT_PATH_RUNDIR, &ist); + errno = 0; + /* A) mtab is symlink, /var/run/mount is available */ if (mtab && S_ISLNK(mst.st_mode) && info) { int fd = open(MNT_PATH_MOUNTINFO, O_RDWR | O_CREAT, 0644); |