From: Hans de Goede <hdegoede@xxxxxxxxxx> Hans de Goede identified a bug in p54p_check_tx_ring: there are two ring indices. 1 => tx data and 3 => tx management. But the old code had a constant "1" and this resulted in spurious dma unmapping failures. Cc: stable@xxxxxxxxxx Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=583623 Bug-Identified-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> --- diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c index 679da7e..cffe2f2 100644 --- a/drivers/net/wireless/p54/p54pci.c +++ b/drivers/net/wireless/p54/p54pci.c @@ -246,7 +246,7 @@ static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index, u32 idx, i; i = (*index) % ring_limit; - (*index) = idx = le32_to_cpu(ring_control->device_idx[1]); + (*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]); idx %= ring_limit; while (i != idx) { -- 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
