mac80211_hwsim: clean up netlink exit code

There's no need to print a message, and genl_unregister_family()
can't really fail so remove the error message there as well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 59c65c3..03d7b1d 100644 (file)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2180,20 +2180,14 @@ failure:
 
 static void hwsim_exit_netlink(void)
 {
-       int ret;
-
        /* userspace test API hasn't been adjusted for multi-channel */
        if (channels > 1)
                return;
 
-       printk(KERN_INFO "mac80211_hwsim: closing netlink\n");
        /* unregister the notifier */
        netlink_unregister_notifier(&hwsim_netlink_notifier);
        /* unregister the family */
-       ret = genl_unregister_family(&hwsim_genl_family);
-       if (ret)
-               printk(KERN_DEBUG "mac80211_hwsim: "
-                      "unregister family %i\n", ret);
+       genl_unregister_family(&hwsim_genl_family);
 }
 
 static const struct ieee80211_iface_limit hwsim_if_limits[] = {