diff options
Diffstat (limited to 'udev/lib/libudev-util.c')
| -rw-r--r-- | udev/lib/libudev-util.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/udev/lib/libudev-util.c b/udev/lib/libudev-util.c index 7eadc7f296..aa544fea22 100644 --- a/udev/lib/libudev-util.c +++ b/udev/lib/libudev-util.c @@ -64,12 +64,17 @@ ssize_t util_get_sys_driver(struct udev *udev, const char *syspath, char *driver int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size) { + struct stat statbuf; char link_target[UTIL_PATH_SIZE]; int len; int i; int back; + if (lstat(syspath, &statbuf) < 0) + return -1; + if (!S_ISLNK(statbuf.st_mode)) + return -1; len = readlink(syspath, link_target, sizeof(link_target)); if (len <= 0) return -1; |