Fixes Warning encounter this by applying checkpatch.pl against this file:
Prefer ether_addr_copy() over memcpy() if the Ethernet addresses
are __aligned(2)

pahole output for respective structures:
- addr->sa_data
struct sockaddr {
        sa_family_t                sa_family;            /*     0     2 */
        char                       sa_data[14];          /*     2    14 */

        /* size: 16, cachelines: 1, members: 2 */
        /* last cacheline: 16 bytes */
};

- pnetdev->dev_addr
dev_addr is interface address infor from generic net_device structure
which is properly aligned and have some patches with this change as well.
"staging: rtl8712: fix Prefer ether_addr_copy() over memcpy()"
(sha1: 36e4d8826b317080e283e4edd08bf8d5ac706f38)

Signed-off-by: Jagan Teki <jt...@openedev.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Larry Finger <larry.fin...@lwfinger.net>
Cc: Florian Schilhabel <florian.c.schilha...@googlemail.com>
---
Changes for v3:
        - Removed unaligned conversions
Changes for v2:
        - Describe a changelog, to prove address are aligned

 drivers/staging/rtl8712/os_intfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/os_intfs.c 
b/drivers/staging/rtl8712/os_intfs.c
index 6e776e5..d5f4c4d 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -181,7 +181,7 @@ static int r871x_net_set_mac_address(struct net_device 
*pnetdev, void *p)
        struct sockaddr *addr = p;
 
        if (padapter->bup == false)
-               memcpy(pnetdev->dev_addr, addr->sa_data, ETH_ALEN);
+               ether_addr_copy(pnetdev->dev_addr, addr->sa_data);
        return 0;
 }
 
-- 
1.9.1

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to