Re: [PATCH] PCI: qcom-ep: Fix disabling global_irq in error path

From: Bjorn Helgaas
Date: Thu Oct 06 2022 - 12:07:52 EST


On Thu, Oct 06, 2022 at 08:35:34AM +0200, Lorenzo Pieralisi wrote:
> On Wed, Oct 05, 2022 at 12:35:29PM -0500, Bjorn Helgaas wrote:
> > On Wed, Oct 05, 2022 at 07:28:52PM +0530, Manivannan Sadhasivam wrote:
> > > After commit 6a534df3da88 ("PCI: qcom-ep: Disable IRQs during driver
> > > remove"), the global irq is stored in the "global_irq" member of pcie_ep
> > > structure. This eliminates the need of local "irq" variable but that
> > > commit didn't remove the "irq" variable usage completely and it is still
> > > used for disable_irq() in error path which is wrong since the variable is
> > > uninitialized.
> > >
> > > Fix this by removing the local "irq" variable and using
> > > "pcie_ep->global_irq" for disable_irq() in error path.
> > >
> > > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > > Fixes: 6a534df3da88 ("PCI: qcom-ep: Disable IRQs during driver remove")
> > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> >
> > For today's "next" branch, I dropped 6a534df3da88 and the subsequent
> > patches. Hopefully Lorenzo can squash this fix into 6a534df3da88.
>
> Done - the pci/qcom branch successfully passed kbot's tests as well.

Thanks, picked this up yesterday :)

Bjorn