mwifiex: use GFP_ATOMIC under spin lock

We're holding the sta_list_spinlock here so we can't sleep.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/uap_event.c

@@ -63,7 +63,7 @@ mwifiex_add_sta_entry(struct mwifiex_private *priv, u8 *mac)
 	if (node)
 		goto done;
 
-	node = kzalloc(sizeof(struct mwifiex_sta_node), GFP_KERNEL);
+	node = kzalloc(sizeof(struct mwifiex_sta_node), GFP_ATOMIC);
 	if (!node)
 		goto done;