On Tue, 2010-05-25 at 01:07 -0400, Joker Joker wrote:
> Below is a patch to fix monitor mode channel issue for aircrack-ng suit
> (fixed channel mon0: -1)
>
> diff --git a/net/wireless/chan.c b/net/wireless/chan.c
> index d92d088..93f6c19 100644
> --- a/net/wireless/chan.c
> +++ b/net/wireless/chan.c
> @@ -48,6 +48,7 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
> enum nl80211_channel_type channel_type)
> {
> struct ieee80211_channel *chan;
> + struct wireless_dev *old_wdev = wdev;
> int result;
>
> if (wdev->iftype == NL80211_IFTYPE_MONITOR)
> @@ -73,8 +74,8 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
> if (result)
> return result;
>
> - if (wdev)
> - wdev->channel = chan;
> + wdev = old_wdev;
> + wdev->channel = chan;
NACK. That will crash when there really is no interface being passed in.
johannes
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