diff options
| -rw-r--r-- | lib/sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sysfs.c b/lib/sysfs.c index 312191f034..b4fb7cdda6 100644 --- a/lib/sysfs.c +++ b/lib/sysfs.c @@ -220,6 +220,9 @@ static int sysfs_open(struct sysfs_cxt *cxt, const char *attr) ssize_t sysfs_readlink(struct sysfs_cxt *cxt, const char *attr, char *buf, size_t bufsiz) { + if (!cxt->dir_path) + return -1; + if (attr) return readlink_at(cxt->dir_fd, cxt->dir_path, attr, buf, bufsiz); |