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Re: [PATCHv5] mac80211: fix NULL pointer dereference in ieee80211_compatible_rates

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On Wed, May 21, 2008 at 01:47:04PM +0300, Tomas Winkler wrote:
> On Tue, May 20, 2008 at 3:54 PM, Tomas Winkler <tomasw@xxxxxxxxx> wrote:

> > I found one  ieee80211_rx_bss_{get,put} imbalance   in
> > ieee80211_sta_join_ibss function
> > That may cause this problem yet it doesn't look like this is the case.
> > ieee80211_sta_join_ibss
> > calls ieee80211_rx_bss_put on 'bss' that it receives as an argument
> 
> The patch below introduced  _get/_put imbalance. ieee80211_rx_bss_info
> _put bss back at the end. Other callers of the ieee80211_sta_join_ibss
> function don't use put.
> I will post a patch that takes out the _put out of
> ieee80211_rx_bss_info, I think it's more readable.

Since you are doing _get and _add in ieee80211_rx_bss_info, it makes
sense to me to do _put at the end of it.  Perhaps we should remove
the _put from the end of ieee80211_sta_join_ibss and change it's
callers instead?

John
-- 
John W. Linville
linville@xxxxxxxxxxxxx
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