netdev - [PATCH] ethernet: hisilicon: hns: hns_dsaf_mac: Use generic eth_broadcast

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 30 Mar 2018 12:37:30 -0700
From:   Joe Perches <joe@...ches.com>
To:     linux-kernel@...r.kernel.org
Cc:     Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>, netdev@...r.kernel.org
Subject: [PATCH] ethernet: hisilicon: hns: hns_dsaf_mac: Use generic eth_broadcast_addr

Rather than use an on-stack array to copy a broadcast address, use
the generic eth_broadcast_addr function to save a trivial amount of
object code.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
index cac86e9ae0dd..9dcc5765f11f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
@@ -369,7 +369,6 @@ static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
 {
 	int ret;
 	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
-	u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct dsaf_drv_mac_single_dest_entry mac_entry;
 
 	/* directy return ok in debug network mode */
@@ -377,7 +376,7 @@ static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
 		return 0;
 
 	if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
-		memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
+		eth_broadcast_addr(mac_entry.addr);
 		mac_entry.in_vlan_id = vlan_id;
 		mac_entry.in_port_num = mac_cb->mac_id;
 		mac_entry.port_num = port_num;
@@ -404,7 +403,6 @@ int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
 	int ret;
 	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
 	u8 port_num;
-	u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct mac_entry_idx *uc_mac_entry;
 	struct dsaf_drv_mac_single_dest_entry mac_entry;
 
@@ -414,7 +412,7 @@ int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
 	uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
 
 	if (!HNS_DSAF_IS_DEBUG(dsaf_dev))  {
-		memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
+		eth_broadcast_addr(mac_entry.addr);
 		mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
 		mac_entry.in_port_num = mac_cb->mac_id;
 		ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
-- 
2.15.0