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orinoco: Clear dangling pointer on hardware busy

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On hardware busy the scan request pointer should be cleared, as higher
levels will release. This avoids a crash when that pointer is
erroneously used later.

Signed-off-by: Joseph J. Gunn <armadefuego@yahoo.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
armadefuego@gmail.com 2011-03-22 09:49:15 -07:00 committed by John W. Linville
parent be36cacddd
commit a3ad38e87e
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/orinoco/cfg.c
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@ -153,6 +153,9 @@ static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
priv->scan_request = request; priv->scan_request = request;
err = orinoco_hw_trigger_scan(priv, request->ssids); err = orinoco_hw_trigger_scan(priv, request->ssids);
/* On error the we aren't processing the request */
if (err)
priv->scan_request = NULL;
return err; return err;
} }