On Tue, 2018-05-08 at 13:57 +0100, Colin King wrote: > From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > The multiplication of 100000 * cfg80211_calculate_bitrate() is a 32 bit > operation and can overflow if cfg80211_calculate_bitrate is greater > than 42949. Although I don't believe this is occurring at present, it > would be safer to avoid the potential overflow by making the constant > 100000 an ULL to ensure a 64 multiplication occurs. Yeah it can't happen since mac80211 doesn't support 60 GHz devices, and all others are limited to less than than. Still, applied. johannes