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net: Fix sysfs_format_mac() code duplication.

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It's just a duplicate implementation of "%*phC".  Thanks to Joe
Perches for showing that we had exactly this support in the
lib/vsprintf.c code already.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-07-16 17:09:15 -07:00
parent 52fe29e4bb
commit ae8e9c5a1a
1 changed files with 1 additions and 20 deletions
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21
net/ethernet/eth.c
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@ -401,27 +401,8 @@ struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs,
}
EXPORT_SYMBOL(alloc_etherdev_mqs);
static size_t _format_mac_addr(char *buf, int buflen,
const unsigned char *addr, int len)
{
int i;
char *cp = buf;
for (i = 0; i < len; i++) {
cp += scnprintf(cp, buflen - (cp - buf), "%02x", addr[i]);
if (i == len - 1)
break;
cp += scnprintf(cp, buflen - (cp - buf), ":");
}
return cp - buf;
}
ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len)
{
size_t l;
l = _format_mac_addr(buf, PAGE_SIZE, addr, len);
l += scnprintf(buf + l, PAGE_SIZE - l, "\n");
return (ssize_t)l;
return scnprintf(buf, PAGE_SIZE, "%*phC\n", len, addr);
}
EXPORT_SYMBOL(sysfs_format_mac);