Messages in this thread | | | From | Andy Shevchenko <> | Date | Wed, 7 Oct 2020 15:02:14 +0300 | Subject | Re: [PATCH] gpio: pca953x: Survive spurious interrupts |
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On Wed, Oct 7, 2020 at 12:49 PM Linus Walleij <linus.walleij@linaro.org> wrote: > > 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>
Wait, doesn't actually [1] fix the reported issue? Marc, can you confirm this?
[1]: e43c26e12dd4 ("gpio: pca953x: Fix uninitialized pending variable")
-- With Best Regards, Andy Shevchenko
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