staging: rtl8723bs: core: rtw_cmd: drop unneeded null tests

kfree returns immediately on NULL so the tests are not needed.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

CC: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_cmd.c

@@ -248,11 +248,9 @@ void _rtw_free_evt_priv(struct	evt_priv *pevtpriv)
 void _rtw_free_cmd_priv(struct	cmd_priv *pcmdpriv)
 {
 	if (pcmdpriv) {
-		if (pcmdpriv->cmd_allocated_buf)
-			kfree(pcmdpriv->cmd_allocated_buf);
+		kfree(pcmdpriv->cmd_allocated_buf);
 
-		if (pcmdpriv->rsp_allocated_buf)
-			kfree(pcmdpriv->rsp_allocated_buf);
+		kfree(pcmdpriv->rsp_allocated_buf);
 
 		mutex_destroy(&pcmdpriv->sctx_mutex);
 	}