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mac_pton: Use bool not int return

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Use bool instead of int as the return type.

All uses are tested with !.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches 2014-06-24 11:20:48 -07:00 committed by David S. Miller
parent f6d8cb2eed
commit a69f5edb8b
2 changed files with 6 additions and 6 deletions
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2
include/linux/kernel.h
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@ -501,7 +501,7 @@ static inline char * __deprecated pack_hex_byte(char *buf, u8 byte)
extern int hex_to_bin(char ch);
extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
int mac_pton(const char *s, u8 *mac);
bool mac_pton(const char *s, u8 *mac);
/*
* General tracing related utility functions - trace_printk(),

10
lib/net_utils.c
View File

@ -3,24 +3,24 @@
#include <linux/ctype.h>
#include <linux/kernel.h>
int mac_pton(const char *s, u8 *mac)
bool mac_pton(const char *s, u8 *mac)
{
int i;
/* XX:XX:XX:XX:XX:XX */
if (strlen(s) < 3 * ETH_ALEN - 1)
return 0;
return false;
/* 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;
return false;
if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
return 0;
return false;
}
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;
return true;
}
EXPORT_SYMBOL(mac_pton);