On Friday 02 October 2009 21:30:43 Andrew Price wrote:
> Hi,
>
> I'm seeing this warning when I unplug my wireless card while the
> network interface is still up. It doesn't seem to cause any permanent
> damage - when I plug it back in I can use the wireless card again.
>
> I'm using today's mainline kernel as of 0efe5e32 with Michael Buesch's
> "b43: Don't use struct wldev after detach" patch added, though I don't
> believe that patch is the culprit because the warning triggers without
> it too.
>
> The line it refers to is:
> B43_WARN_ON(b43_read32(dev, B43_MMIO_GEN_IRQ_MASK));
This should fix it
---
drivers/net/wireless/b43/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- wireless-testing.orig/drivers/net/wireless/b43/main.c
+++ wireless-testing/drivers/net/wireless/b43/main.c
@@ -3874,6 +3874,7 @@ static struct b43_wldev * b43_wireless_c
{
struct b43_wl *wl = dev->wl;
struct b43_wldev *orig_dev;
+ u32 mask;
redo:
if (!dev || b43_status(dev) < B43_STAT_STARTED)
@@ -3920,7 +3921,8 @@ redo:
goto redo;
return dev;
}
- B43_WARN_ON(b43_read32(dev, B43_MMIO_GEN_IRQ_MASK));
+ mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
+ B43_WARN_ON(mask != 0xFFFFFFFF && mask);
/* Drain the TX queue */
while (skb_queue_len(&wl->tx_queue))
--
Greetings, Michael.
--
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
