mwifiex: 11n_rxreorder: Remove unnecessary cast in kfree()

Remove unnecassary casts in the argument to kfree.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200727020405.8476-1-vulab@iscas.ac.cn

drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c

@@ -398,7 +398,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta,
 	new_node->rx_reorder_ptr = kcalloc(win_size, sizeof(void *),
 					   GFP_KERNEL);
 	if (!new_node->rx_reorder_ptr) {
-		kfree((u8 *) new_node);
+		kfree(new_node);
 		mwifiex_dbg(priv->adapter, ERROR,
 			    "%s: failed to alloc reorder_ptr\n", __func__);
 		return;