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RE: [PATCH] cfg80211/nl80211: Fix for wireless-testing kernel crash

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________________________________________
From: Johannes Berg [johannes@xxxxxxxxxxxxxxxx]
Sent: Wednesday, June 13, 2012 6:06 PM
To: Mahesh Palivela
Cc: linville@xxxxxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx
Subject: RE: [PATCH] cfg80211/nl80211: Fix for wireless-testing kernel crash

On Wed, 2012-06-13 at 12:30 +0000, Mahesh Palivela wrote:

> net/wireless/nl80211.c -> nl80211_dump_survey() survey_info structure
> is not being initialized. Without this dev->ops->dump_survey() return
> value is zero. But 'survey' argument passed to this function is
> untouched and we are trying to access the members of this structure
> and hitting crash. Hope this helps.

What driver are you using, and why does it return 0 when it didn't
actually return/fill any information?

johannes

Its our own chip driver. I just checked without doing anything we are returning zero. I will fix it on our end as well.
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