From 2075ec9896c5aef01e837198381d04cfa6452317 Mon Sep 17 00:00:00 2001 From: Oliver O'Halloran Date: Mon, 3 Aug 2020 17:54:08 +1000 Subject: [PATCH] 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 Signed-off-by: Oliver O'Halloran Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200803075408.132601-1-oohall@gmail.com --- arch/powerpc/platforms/powernv/pci-sriov.c | 4 +--- 1 file changed, 1 insertion(+), 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