Re: [PATCH] amba-pl011: fix panic introduced by "clear pending interrupts"

From: Linus Walleij
Date: Tue Mar 27 2012 - 03:07:33 EST

On Mon, Mar 26, 2012 at 10:32 PM, Alessandro Rubini <rubini@xxxxxxxxx> wrote:

> patch 9b96fba, currently in linux-next, clears interrupts using
> uap->port.membase that has not been assigned.  My x86 system,
> that uses a pci-to-amba bridge, panics with a message like:
>   BUG: unable to handle kernel NULL pointer dereference at 00000038
>   IP: [<c12c85ed>] pl011_probe+0x119/0x303
> Signed-off-by: Alessandro Rubini <rubini@xxxxxxxxx>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@xxxxxx>

Yep I know, already sent the remedy, just waiting for Greg to pick it up:

But thanks for the quick attention :-)

Linus Walleij
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at