Revision c8d150761ca6d1266cbcdc1a64529759b5b6068e authored by Rafael J. Wysocki on 05 January 2014, 21:57:25 UTC, committed by Rafael J. Wysocki on 05 January 2014, 21:57:25 UTC
* acpi-ac: ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY * acpi-tpm: ACPI / TPM: fix memory leak when walking ACPI namespace
net_utils.c
#include <linux/string.h>
#include <linux/if_ether.h>
#include <linux/ctype.h>
#include <linux/kernel.h>
int mac_pton(const char *s, u8 *mac)
{
int i;
/* XX:XX:XX:XX:XX:XX */
if (strlen(s) < 3 * ETH_ALEN - 1)
return 0;
/* Don't dirty result unless string is valid MAC. */
for (i = 0; i < ETH_ALEN; i++) {
if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))
return 0;
if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
return 0;
}
for (i = 0; i < ETH_ALEN; i++) {
mac[i] = (hex_to_bin(s[i * 3]) << 4) | hex_to_bin(s[i * 3 + 1]);
}
return 1;
}
EXPORT_SYMBOL(mac_pton);
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