diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-08-23 10:40:28 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-05 01:14:08 +0400 |
| commit | 1e9ee6f7b6ad68dc67444fff13bb7324087874e3 (patch) | |
| tree | fd4947fb9f200308e514a86c82b89dac51bb1db4 /drivers/staging/rtl8712 | |
| parent | 73ee07faeec88b15ef4ffa412622fc2c021ca8ff (diff) | |
| download | linux-1e9ee6f7b6ad68dc67444fff13bb7324087874e3.tar.xz | |
staging: r8712u: use is_zero_ether_addr() instead of memcmp()
Using is_zero_ether_addr() instead of directly use
memcmp(addr, "\x00\x00\x00\x00\x00\x00", ETH_ALEN)
to determine if the ethernet address is all zeros.
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8712')
| -rw-r--r-- | drivers/staging/rtl8712/rtl871x_recv.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c index c9d1743e5c5d..23ec684b60e1 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.c +++ b/drivers/staging/rtl8712/rtl871x_recv.c @@ -32,6 +32,7 @@ #include <linux/slab.h> #include <linux/if_ether.h> #include <linux/kmemleak.h> +#include <linux/etherdevice.h> #include "osdep_service.h" #include "drv_types.h" @@ -331,8 +332,8 @@ static sint sta2sta_data_frame(struct _adapter *adapter, return _FAIL; if ((memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) return _FAIL; - if (!memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) || - !memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) || + if (is_zero_ether_addr(pattrib->bssid) || + is_zero_ether_addr(mybssid) || (memcmp(pattrib->bssid, mybssid, ETH_ALEN))) return _FAIL; sta_addr = pattrib->src; @@ -409,8 +410,8 @@ static sint ap2sta_data_frame(struct _adapter *adapter, if ((memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) return _FAIL; /* check BSSID */ - if (!memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) || - !memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) || + if (is_zero_ether_addr(pattrib->bssid) || + is_zero_ether_addr(mybssid) || (memcmp(pattrib->bssid, mybssid, ETH_ALEN))) return _FAIL; if (bmcast) |