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>

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 620677e..3e51dd7 100644 (file)
--- 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;