diff options
| -rw-r--r-- | system-linux.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/system-linux.c b/system-linux.c index b839b4c..9933201 100644 --- a/system-linux.c +++ b/system-linux.c @@ -1571,6 +1571,9 @@ int system_if_check(struct device *dev) }; int ret = 1; + if (!cb) + return ret; + msg = nlmsg_alloc_simple(RTM_GETLINK, 0); if (!msg) goto out; |