[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 06a90b42a451b93380a3b082be545157d7e38f57..f67efa0815fe0f5b7fe5905f708eae0e8c2014da 100644 (file)
--- 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)