Messages in this thread Patch in this message | | | Date | Thu, 26 Dec 2013 19:41:02 +0800 | From | Ding Tianhong <> | Subject | [PATCH v3.5 11/19] atm: slight optimization of addr compare |
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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> --- drivers/atm/nicstar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index 5aca5f4..9587e95 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); -- 1.8.0
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