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

Linus Walleij linus.walleij at linaro.org
Tue Mar 27 03:07:22 EDT 2012


On Mon, Mar 26, 2012 at 10:32 PM, Alessandro Rubini <rubini at gnudd.com> 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 at gnudd.com>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi at st.com>

Yep I know, already sent the remedy, just waiting for Greg to pick it up:
http://marc.info/?l=linux-serial&m=133235774423240&w=2

But thanks for the quick attention :-)

Yours,
Linus Walleij



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