staging: wilc1000: handle freeing of 'key' & 'seq' data in wilc_add_rx_gtk()

Handle freeing of memory allocated to keep 'key' & 'seq' in wilc_add_rx_gtk().
Once completion event is received, free the memory allocated for
to avoid missing of free in work function.
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

@@ -1667,8 +1667,6 @@ static void handle_key(struct work_struct *work)
 		}
 out_wpa_rx_gtk:
 		complete(&msg->work_comp);
-		kfree(hif_key->attr.wpa.key);
-		kfree(hif_key->attr.wpa.seq);
 		break;
 
 	case WPA_PTK:
@@ -2812,8 +2810,6 @@ int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
 	}
 
 	wait_for_completion(&msg->work_comp);
-	kfree(msg);
-	return 0;
 
 free_key:
 	kfree(msg->body.key_info.attr.wpa.key);