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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-08-22 20:49:33 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-24 13:30:26 -0400
commit9213bb8325747d00b6d9d5aea6ccde6a72c8a1fa (patch)
treee983cee7389fc296678438ed5a39aba18ee4ce9c /drivers/net
parent8f4cccbbd92f2ad0ddbbc498ef7cee2a1c3defe9 (diff)
wimax/i2400m: use is_zero_ether_addr() instead of memcmp()
Using is_zero_ether_addr() instead of directly use memcmp() 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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wimax/i2400m/driver.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 025426132754..9c34d2fccfac 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -222,7 +222,6 @@ int i2400m_check_mac_addr(struct i2400m *i2400m)
struct sk_buff *skb;
const struct i2400m_tlv_detailed_device_info *ddi;
struct net_device *net_dev = i2400m->wimax_dev.net_dev;
- const unsigned char zeromac[ETH_ALEN] = { 0 };
d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
skb = i2400m_get_device_info(i2400m);
@@ -244,7 +243,7 @@ int i2400m_check_mac_addr(struct i2400m *i2400m)
"to that of boot mode's\n");
dev_warn(dev, "device reports %pM\n", ddi->mac_address);
dev_warn(dev, "boot mode reported %pM\n", net_dev->perm_addr);
- if (!memcmp(zeromac, ddi->mac_address, sizeof(zeromac)))
+ if (is_zero_ether_addr(ddi->mac_address))
dev_err(dev, "device reports an invalid MAC address, "
"not updating\n");
else {