From: Luis Carlos Cobo Rus <luisca@cozybit.com>
Date: Wed, 30 May 2007 16:16:13 +0000 (-0400)
Subject: [PATCH] libertas: deauthenticate from AP in channel switch
X-Git-Tag: v2.6.22-rc5~44^2~1^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fff47f108d7bd9f80b223cd187e09dbb0cb89114;p=linux-2.6

[PATCH] libertas: deauthenticate from AP in channel switch

This avoids channel mismatch between driver and firmware in case we change
channel while associated to an AP.

Signed-off-by: Luis Carlos Cobo Rus <luisca@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 06a90b42a4..f67efa0815 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -411,6 +411,11 @@ static int should_deauth_infrastructure(wlan_adapter *adapter,
 		return 1;
 	}
 
+	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+		lbs_deb_assoc("Deauthenticating due to channel switch.\n");
+		return 1;
+	}
+
 	/* FIXME: deal with 'auto' mode somehow */
 	if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
 		if (assoc_req->mode != IW_MODE_INFRA)