"addr" is a pointer so it's either 4 or 8 bytes, but actually we want to compare 6 bytes (ETH_ALEN). Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index d983219..63c1b67 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -213,7 +213,7 @@ static int oz_set_active_pd(u8 *addr) if (old_pd) oz_pd_put(old_pd); } else { - if (!memcmp(addr, "\0\0\0\0\0\0", sizeof(addr))) { + if (!memcmp(addr, "\0\0\0\0\0\0", ETH_ALEN)) { spin_lock_bh(&g_cdev.lock); pd = g_cdev.active_pd; g_cdev.active_pd = 0; _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel