Commit 5a048e3b authored by Andy Shevchenko's avatar Andy Shevchenko Committed by David S. Miller
Browse files

net: core: let's use native isxdigit instead of custom 



In kernel we have fast and pretty implementation of the isxdigit() function.
Let's use it.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 05fcaeac

net/core/utils.c

+2 −3
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/module.h>

#include <linux/jiffies.h>

#include <linux/kernel.h>

#include <linux/ctype.h>

#include <linux/inet.h>

#include <linux/mm.h>

#include <linux/net.h>
@@ -348,9 +349,7 @@ int mac_pton(const char *s, u8 *mac) 


	/* Don't dirty result unless string is valid MAC. */

	for (i = 0; i < ETH_ALEN; i++) {

		if (!strchr("0123456789abcdefABCDEF", s[i * 3]))

			return 0;

		if (!strchr("0123456789abcdefABCDEF", s[i * 3 + 1]))

		if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))

			return 0;

		if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')

			return 0;