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authorOliver O'Halloran <oohall@gmail.com>2020-08-03 10:54:08 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-08-03 15:13:13 +0300
commit2075ec9896c5aef01e837198381d04cfa6452317 (patch)
treec9bdcd2aa6290d7fc3c33a12c04f9b2aa3272143 /arch/powerpc
parent872d11bca9c29ed19595c993b9f552ffe9b63dcb (diff)
downloadlinux-2075ec9896c5aef01e837198381d04cfa6452317.tar.xz
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: 4c51f3e1e870 ("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
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/powernv/pci-sriov.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-sriov.c b/arch/powerpc/platforms/powernv/pci-sriov.c
index 7894745fd4f8..c4434f20f42f 100644
--- a/arch/powerpc/platforms/powernv/pci-sriov.c
+++ b/arch/powerpc/platforms/powernv/pci-sriov.c
@@ -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