diff options
Diffstat (limited to 'arch/um/drivers')
-rw-r--r-- | arch/um/drivers/net_kern.c | 4 | ||||
-rw-r--r-- | arch/um/drivers/net_user.c | 29 |
2 files changed, 1 insertions, 32 deletions
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index c067abbbfd9..16aa572325c 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -310,9 +310,7 @@ static void setup_etheraddr(char *str, unsigned char *addr) return; random: - addr[0] = 0xfe; - addr[1] = 0xfd; - random_mac(addr); + random_ether_addr(addr) } static DEFINE_SPINLOCK(devices_lock); diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index 142bcb2c7c6..f3a3f8a29c7 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -259,32 +259,3 @@ char *split_if_spec(char *str, ...) va_end(ap); return str; } - -void random_mac(unsigned char *addr) -{ - struct timeval tv; - long n; - unsigned int seed; - - gettimeofday(&tv, NULL); - - /* Assume that 20 bits of microseconds and 12 bits of the pid are - * reasonably unpredictable. - */ - seed = tv.tv_usec | (os_getpid() << 20); - srandom(seed); - - /* Don't care about endianness here - switching endianness - * just rearranges what are hopefully random numbers. - * - * Assume that RAND_MAX > 65536, so random is called twice and - * we use 16 bits of the result. - */ - n = random(); - addr[2] = (n >> 8) & 255; - addr[3] = n % 255; - - n = random(); - addr[4] = (n >> 8) & 255; - addr[5] = n % 255; -} |