From eb87eaac52e916e28bcf3bd5974f3b581f6c0ae9 Mon Sep 17 00:00:00 2001 From: Lars Ericsson Date: Sat, 18 Jul 2009 20:21:52 +0200 Subject: rt2x00: Don't alter rt2x00dev->default_ant rt2x00dev->default_ant should be initialized once by the driver, and should not be changed afterwards. Because rt2x00lib_config_antenna() was using a reference to the struct antenna_setup it actually had the oppurtunity to change the default antenna setting and it actually did that during the validation. Instead of passing a pointer to antenna_setup the entire structure should be copied. Signed-off-by: Lars Ericsson Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00config.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2x00config.c') diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index c6e0bcf78e9e..3845316ccd39 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -124,7 +124,7 @@ enum antenna rt2x00lib_config_antenna_check(enum antenna current_ant, } void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, - struct antenna_setup *ant) + struct antenna_setup ant) { struct antenna_setup *def = &rt2x00dev->default_ant; struct antenna_setup *active = &rt2x00dev->link.ant.active; @@ -138,10 +138,10 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, * might have caused that we restore back to the already * active setting. If that has happened we can quit. */ - ant->rx = rt2x00lib_config_antenna_check(ant->rx, def->rx); - ant->tx = rt2x00lib_config_antenna_check(ant->tx, def->tx); + ant.rx = rt2x00lib_config_antenna_check(ant.rx, def->rx); + ant.tx = rt2x00lib_config_antenna_check(ant.tx, def->tx); - if (ant->rx == active->rx && ant->tx == active->tx) + if (ant.rx == active->rx && ant.tx == active->tx) return; /* @@ -156,11 +156,11 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, * The latter is required since we need to recalibrate the * noise-sensitivity ratio for the new setup. */ - rt2x00dev->ops->lib->config_ant(rt2x00dev, ant); + rt2x00dev->ops->lib->config_ant(rt2x00dev, &ant); rt2x00link_reset_tuner(rt2x00dev, true); - memcpy(active, ant, sizeof(*ant)); + memcpy(active, &ant, sizeof(ant)); if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK); -- cgit v1.2.3