From: Joshua Oreman Date: Sat, 1 Aug 2009 16:52:59 +0000 (-0700) Subject: [802.11] Set channels early on to avoid tuning to an undefined channel X-Git-Tag: v0.9.8~33 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e810bebe95eafc3c8427d7c5ddf753debb1316e;p=thirdparty%2Fipxe.git [802.11] Set channels early on to avoid tuning to an undefined channel Some cards (such as ath5k) always need to tune to a particular channel when they are reset; the reset may happen upon open(), which is before the channels array would be set up (in prepare_probe()). Avoid tuning the card to an inconsistent state by copying the hardware supported-channels array to the 802.11 device's allowable-channels array even before channels are "properly" set up. Signed-off-by: Michael Brown --- diff --git a/src/net/80211/net80211.c b/src/net/80211/net80211.c index 32547b5f3..1b2ffd385 100644 --- a/src/net/80211/net80211.c +++ b/src/net/80211/net80211.c @@ -794,6 +794,11 @@ int net80211_register ( struct net80211_device *dev, memcpy ( dev->hw, hw, sizeof ( *hw ) ); memcpy ( dev->netdev->ll_addr, hw->hwaddr, ETH_ALEN ); + /* Set some sensible channel defaults for driver's open() function */ + memcpy ( dev->channels, dev->hw->channels, + NET80211_MAX_CHANNELS * sizeof ( dev->channels[0] ) ); + dev->channel = 0; + list_add_tail ( &dev->list, &net80211_devices ); return register_netdev ( dev->netdev ); }