From: Wei Yongjun Date: Tue, 21 Aug 2012 08:39:04 +0000 (+0800) Subject: Staging: rtl8192u: using random_ether_addr() to generate random MAC X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=37905ae131a728d90515bb9258f195edb6c5d5a2;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Staging: rtl8192u: using random_ether_addr() to generate random MAC Using random_ether_addr() to generate a random Ethernet address (MAC) that is not multicast and has the local assigned bit set. Not need to duplicating its implementation. spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index 6721ed9efc3b..9f625bc1b4a1 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -2288,13 +2288,7 @@ void ieee80211_stop_queue(struct ieee80211_device *ieee) inline void ieee80211_randomize_cell(struct ieee80211_device *ieee) { - get_random_bytes(ieee->current_network.bssid, ETH_ALEN); - - /* an IBSS cell address must have the two less significant - * bits of the first byte = 2 - */ - ieee->current_network.bssid[0] &= ~0x01; - ieee->current_network.bssid[0] |= 0x02; + random_ether_addr(ieee->current_network.bssid); } /* called in user context only */