Messages in this thread | | | Date | Fri, 8 Jan 2021 16:43:59 +0100 | From | Greg KH <> | Subject | Re: [PATCH] Driver core: platform: Add extra error check in devm_platform_get_irqs_affinity() |
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On Mon, Dec 21, 2020 at 10:30:55PM +0800, John Garry wrote: > The current check of nvec < minvec for nvec returned from > platform_irq_count() will not detect a negative error code in nvec. > > This is because minvec is unsigned, and, as such, nvec is promoted to > unsigned in that check, which will make it a huge number (if it contained > -EPROBE_DEFER). > > In practice, an error should not occur in nvec for the only in-tree > user, but add a check anyway. > > Fixes: e15f2fa959f2 ("driver core: platform: Add devm_platform_get_irqs_affinity()") > Reported-by: Dan Carpenter <dan.carpenter@oracle.com> > Signed-off-by: John Garry <john.garry@huawei.com> > --- > I hope that this can go through either irqchip or driver/core trees, thanks!
I'll take it, thanks.
greg k-h
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