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Re: signed vs unsigned bug in ath9k

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On Tue, Dec 08, 2009 at 10:20:32AM +0200, Dan Carpenter wrote:
> On Mon, Dec 07, 2009 at 07:55:42AM -0800, Luis R. Rodriguez wrote:
> > On Mon, Dec 07, 2009 at 03:07:36AM -0800, Dan Carpenter wrote:
> > > drivers/net/wireless/ath/ath9k/recv.c
> > >    205          sta = ieee80211_find_sta(sc->hw, hdr->addr2);
> > >    206          if (sta) {
> > >    207                  an = (struct ath_node *) sta->drv_priv;
> > >    208                  if (ds->ds_rxstat.rs_rssi != ATH9K_RSSI_BAD &&
> > > 
> > > ds->ds_rxstat.rs_rssi is a signed 8 bit so it will never be == ATH9K_RSSI_BAD.
> > 
> > ATH9K_RSSI_BAD is -128 and the minimum value for int8_t is -128 so why is it a bug?
> > 
> 
> It could be that someone fixed this already in the net tree?  In mainline it's still
> positive 128.
> 
> #define ATH9K_RSSI_BAD                  0x80

I queued a patch to fix that for 2.6.33.

Hth!

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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