diff options
-rw-r--r-- | lib/sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sysfs.c b/lib/sysfs.c index caf89bf53..d2146d5fb 100644 --- a/lib/sysfs.c +++ b/lib/sysfs.c @@ -658,6 +658,8 @@ int sysfs_next_subsystem(struct sysfs_cxt *cxt __attribute__((unused)), if (!subsys || !devchain) return -EINVAL; + *subsys = NULL; + while ((sub = get_subsystem(devchain, subbuf, sizeof(subbuf)))) { *subsys = strdup(sub); if (!*subsys) |