Messages in this thread | | | From | Linus Walleij <> | Date | Wed, 7 Oct 2020 11:48:06 +0200 | Subject | Re: [PATCH] gpio: pca953x: Survive spurious interrupts |
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On Mon, Oct 5, 2020 at 4:02 PM Marc Zyngier <maz@kernel.org> wrote:
> The pca953x driver never checks the result of irq_find_mapping(), > which returns 0 when no mapping is found. When a spurious interrupt > is delivered (which can happen under obscure circumstances), the > kernel explodes as it still tries to handle the error code as > a real interrupt. > > Handle this particular case and warn on spurious interrupts. > > Signed-off-by: Marc Zyngier <maz@kernel.org>
Patch applied for fixes.
Yours, Linus Walleij
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