ath6kl: Remove redundant pointer check

'params' is already used earlier and there is no point
in checking for a NULL condition again.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -983,6 +983,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 	struct ath6kl *ar = ath6kl_priv(ndev);
 	struct ath6kl_vif *vif = netdev_priv(ndev);
 	struct ath6kl_key *key = NULL;
+	int seq_len;
 	u8 key_usage;
 	u8 key_type;
 
@@ -1011,8 +1012,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 	else
 		key_usage = GROUP_USAGE;
 
-	if (params) {
-		int seq_len = params->seq_len;
+	seq_len = params->seq_len;
 	if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
 	    seq_len > ATH6KL_KEY_SEQ_LEN) {
 		/* Only first half of the WPI PN is configured */
@@ -1027,7 +1027,6 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 	key->seq_len = seq_len;
 	memcpy(key->seq, params->seq, key->seq_len);
 	key->cipher = params->cipher;
-	}
 
 	switch (key->cipher) {
 	case WLAN_CIPHER_SUITE_WEP40: