On Wed, Jul 10, 2024 at 12:04:15PM +0200, Pavel Machek wrote: > Hi! > > > [ Upstream commit 6ef09cdc5ba0f93826c09d810c141a8d103a80fc ] > > > > In 'cfg80211_wext_siwscan()', add extra check whether number of > > channels passed via 'ioctl(sock, SIOCSIWSCAN, ...)' doesn't exceed > > IW_MAX_FREQUENCIES and reject invalid request with -EINVAL otherwise. > > This results in very confusing code in 4.19 at least. It should goto > out for consistency, exploting kfree(NULL) to be nop. Ok, not sure we > care... kfree(NULL) is always supposed to be a nop, we have relied on that for decades, that's not an issue anywhere. greg k-h
