staging: wilc1000: Avoid GFP_KERNEL allocation from atomic context

txq_add_mgmt_pkt allocates memory while being called from atomic context
so needs to use GFP_ATOMIC
Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wlan.c

@@ -316,7 +316,7 @@ int wilc_wlan_txq_add_mgmt_pkt(struct net_device *dev, void *priv, u8 *buffer,
 	if (wilc->quit)
 		return 0;
 
-	tqe = kmalloc(sizeof(*tqe), GFP_KERNEL);
+	tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC);
 
 	if (!tqe)
 		return 0;