mac80211: use ERR_CAST()

No need for ERR_PTR(PTR_ERR()) since there's ERR_CAST, use it.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 620677e897bd..3e51dd7d98b3 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -879,7 +879,7 @@ ieee80211_gtk_rekey_add(struct ieee80211_vif *vif,
                                   keyconf->keylen, keyconf->key,
                                   0, NULL);
         if (IS_ERR(key))
-                return ERR_PTR(PTR_ERR(key));
+                return ERR_CAST(key);
 
         if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
                 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;