cfg80211: remove unnecessary null pointer check in cfg80211_netdev_notifier_call

The iterator in list_for_each_entry_safe is never null, therefore, remove
the redundant null pointer check.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/core.c b/net/wireless/core.c
index a88551f..4d5215e 100644 (file)
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1238,7 +1238,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
 
                list_for_each_entry_safe(pos, tmp,
                                         &rdev->sched_scan_req_list, list) {
-                       if (WARN_ON(pos && pos->dev == wdev->netdev))
+                       if (WARN_ON(pos->dev == wdev->netdev))
                                cfg80211_stop_sched_scan_req(rdev, pos, false);
                }