2.6.25-stable review patch. If anyone has any objections, please let us know. ------------------ From: Michael Buesch <mb@xxxxxxxxx> This fixes a possible MMIO access while the device is still down from a suspend cycle. MMIO accesses with the device powered down may cause crashes on certain devices. Upstream commit is 33598cf261e393f2b3349cb55509e358014bfd1f Signed-off-by: Michael Buesch <mb@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/net/wireless/b43/leds.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/wireless/b43/leds.c +++ b/drivers/net/wireless/b43/leds.c @@ -72,6 +72,9 @@ static void b43_led_brightness_set(struc struct b43_wldev *dev = led->dev; bool radio_enabled; + if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) + return; + /* Checking the radio-enabled status here is slightly racy, * but we want to avoid the locking overhead and we don't care * whether the LED has the wrong state for a second. */ -- -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
