Commit 5f612033 authored Jan 13, 2010 by Abhijeet Kolekar Committed by John W. Linville Jan 14, 2010

cfg80211: fix channel setting for wext

Patch fixes the bug at
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2139



Currently we cannot set the channel using wext extension
if we have already associated and disconnected. As
cfg80211_mgd_wext_siwfreq will not switch the channel if ssid is set.
This fixes it by clearing the ssid.
Following is the sequence which it tries to fix.
modprobe iwlagn
iwconfig wlan0 essid ""
ifconfig wlan0 down
iwconfig wlan0 chan X

wext is marked as deprecate.If we use nl80211 we can easily play with
setting the channel.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent a0e803a2

net/wireless/sme.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -655,6 +655,7 @@ void __cfg80211_disconnected(struct net_device dev, const u8 ie,
		memset(&wrqu, 0, sizeof(wrqu));
		wrqu.ap_addr.sa_family = ARPHRD_ETHER;
		wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
		wdev->wext.connect.ssid_len = 0;
		#endif
		}

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