diff options
| author | dingtianhong <dingtianhong@huawei.com> | 2013-12-26 19:41:02 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-26 13:31:34 -0500 |
| commit | 4c55a4623aa0ec6d8af5eec1e58c3015a7025f7b (patch) | |
| tree | 959e34a70e3b598d5418dcef2a3f569027214b28 /drivers/atm | |
| parent | 496d7e8ea3e60289323d24e158b7bce8d0afba2c (diff) | |
| download | lwn-4c55a4623aa0ec6d8af5eec1e58c3015a7025f7b.tar.gz lwn-4c55a4623aa0ec6d8af5eec1e58c3015a7025f7b.zip | |
atm: slight optimization of addr compare
Use possibly more efficient ether_addr_equal
instead of memcmp.
Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: linux-atm-general@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/nicstar.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index 5aca5f4c5458..9587e959ce1a 100644 --- a/drivers/atm/nicstar.c +++ b/drivers/atm/nicstar.c @@ -52,6 +52,7 @@ #include <asm/io.h> #include <asm/uaccess.h> #include <linux/atomic.h> +#include <linux/etherdevice.h> #include "nicstar.h" #ifdef CONFIG_ATM_NICSTAR_USE_SUNI #include "suni.h" @@ -781,8 +782,7 @@ static int ns_init_card(int i, struct pci_dev *pcidev) if (mac[i] == NULL || !mac_pton(mac[i], card->atmdev->esi)) { nicstar_read_eprom(card->membase, NICSTAR_EPROM_MAC_ADDR_OFFSET, card->atmdev->esi, 6); - if (memcmp(card->atmdev->esi, "\x00\x00\x00\x00\x00\x00", 6) == - 0) { + if (ether_addr_equal(card->atmdev->esi, "\x00\x00\x00\x00\x00\x00")) { nicstar_read_eprom(card->membase, NICSTAR_EPROM_MAC_ADDR_OFFSET_ALT, card->atmdev->esi, 6); |