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powerpc/powernv/sriov: Fix use of uninitialised variable 

Initialising the value before using it is generally regarded as a good
idea so do that.

Fixes: 4c51f3e1e8 ("powerpc/powernv/sriov: Make single PE mode a per-BAR setting")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200803075408.132601-1-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2020-08-03 17:54:08 +10:00 committed by Michael Ellerman
parent 872d11bca9
commit 2075ec9896
1 changed files with 1 additions and 3 deletions
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4
arch/powerpc/platforms/powernv/pci-sriov.c
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@ -253,9 +253,9 @@ void pnv_pci_ioda_fixup_iov(struct pci_dev *pdev)
resource_size_t pnv_pci_iov_resource_alignment(struct pci_dev *pdev,
int resno)
{
resource_size_t align = pci_iov_resource_size(pdev, resno);
struct pnv_phb *phb = pci_bus_to_pnvhb(pdev->bus);
struct pnv_iov_data *iov = pnv_iov_get(pdev);
resource_size_t align;
/*
* iov can be null if we have an SR-IOV device with IOV BAR that can't
@ -266,8 +266,6 @@ resource_size_t pnv_pci_iov_resource_alignment(struct pci_dev *pdev,
if (!iov)
return align;
align = pci_iov_resource_size(pdev, resno);
/*
* If we're using single mode then we can just use the native VF BAR
* alignment. We validated that it's possible to use a single PE