net: moxa: use GFP_KERNEL

Platform_driver probe functions aren't called with locks
held and thus don't need GFP_ATOMIC. Use GFP_KERNEL instead.

Problem found with Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220210204223.104181-1-Julia.Lawall@inria.frSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/moxa/moxart_ether.c

@@ -510,14 +510,14 @@ static int moxart_mac_probe(struct platform_device *pdev)
 	}
 
 	priv->tx_buf_base = kmalloc_array(priv->tx_buf_size, TX_DESC_NUM,
-					  GFP_ATOMIC);
+					  GFP_KERNEL);
 	if (!priv->tx_buf_base) {
 		ret = -ENOMEM;
 		goto init_fail;
 	}
 
 	priv->rx_buf_base = kmalloc_array(priv->rx_buf_size, RX_DESC_NUM,
-					  GFP_ATOMIC);
+					  GFP_KERNEL);
 	if (!priv->rx_buf_base) {
 		ret = -ENOMEM;
 		goto init_fail;