2009-09-11 08:14:24

by Holger Schurig

[permalink] [raw]
Subject: [PATCH] cfg80211: minimal error handling for wext-compat freq scanning

Signed-off-by: Holger Schurig <[email protected]>

Index: linux-wl/net/wireless/scan.c
===================================================================
--- linux-wl.orig/net/wireless/scan.c 2009-09-11 09:05:39.000000000 +0200
+++ linux-wl/net/wireless/scan.c 2009-09-11 09:05:42.000000000 +0200
@@ -680,6 +680,11 @@ int cfg80211_wext_siwscan(struct net_dev
err = -EINVAL;
goto out;
}
+ /* No channels found? */
+ if (!i) {
+ err = -EINVAL;
+ goto out;
+ }

/* Set real number of channels specified in creq->channels[] */
creq->n_channels = i;

--
http://www.holgerschurig.de