From: David Brownell <david-b@pacbell.net>
Date: Mon, 13 Nov 2006 02:09:44 +0000 (-0800)
Subject: usb/gadget/ether.c minor manycast tweaks
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d8126a0c23b95d8f49a8f4b49191691f9a09ae4a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

usb/gadget/ether.c minor manycast tweaks

Minor cleanup/clarification in the ethernet gadget driver, using standard
calls to test for Ethernet multicast and broadcast addresses.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 1c17d26d03b8..3bd1dfe565c1 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1894,13 +1894,13 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
 	if (!eth_is_promisc (dev)) {
 		u8		*dest = skb->data;
 
-		if (dest [0] & 0x01) {
+		if (is_multicast_ether_addr(dest)) {
 			u16	type;
 
 			/* ignores USB_CDC_PACKET_TYPE_MULTICAST and host
 			 * SET_ETHERNET_MULTICAST_FILTERS requests
 			 */
-			if (memcmp (dest, net->broadcast, ETH_ALEN) == 0)
+			if (is_broadcast_ether_addr(dest))
 				type = USB_CDC_PACKET_TYPE_BROADCAST;
 			else
 				type = USB_CDC_PACKET_TYPE_ALL_MULTICAST;