staging: wilc1000: free memory allocated in add wep key functions

Free memory allocated for wep key when command enqueue is failed.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -2716,7 +2716,7 @@ int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index)
 int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
 			     u8 index)
 {
-	int result = 0;
+	int result;
 	struct host_if_msg msg;
 	struct host_if_drv *hif_drv = vif->hif_drv;
 
@@ -2739,17 +2739,20 @@ int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
 	msg.body.key_info.attr.wep.index = index;
 
 	result = wilc_enqueue_cmd(&msg);
-	if (result)
+	if (result) {
 		netdev_err(vif->ndev, "STA - WEP Key\n");
-	wait_for_completion(&hif_drv->comp_test_key_block);
+		kfree(msg.body.key_info.attr.wep.key);
+		return result;
+	}
 
-	return result;
+	wait_for_completion(&hif_drv->comp_test_key_block);
+	return 0;
 }
 
 int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
 			    u8 index, u8 mode, enum AUTHTYPE auth_type)
 {
-	int result = 0;
+	int result;
 	struct host_if_msg msg;
 	struct host_if_drv *hif_drv = vif->hif_drv;
 
@@ -2774,13 +2777,14 @@ int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
 	msg.body.key_info.attr.wep.auth_type = auth_type;
 
 	result = wilc_enqueue_cmd(&msg);
-
-	if (result)
+	if (result) {
 		netdev_err(vif->ndev, "AP - WEP Key\n");
-	else
-		wait_for_completion(&hif_drv->comp_test_key_block);
+		kfree(msg.body.key_info.attr.wep.key);
+		return result;
+	}
 
-	return result;
+	wait_for_completion(&hif_drv->comp_test_key_block);
+	return 0;
 }
 
 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,