Message ID | 20200803075408.132601-1-oohall@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 2075ec9896c5aef01e837198381d04cfa6452317 |
Headers | show |
Series | powerpc/powernv/sriov: Fix use of uninitialised variable | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (14fd53d1e5ee7350564cac75e336f8c0dea13bc9) |
snowpatch_ozlabs/build-ppc64le | warning | Upstream build failed, couldn't test patch |
snowpatch_ozlabs/build-ppc64be | warning | Upstream build failed, couldn't test patch |
snowpatch_ozlabs/build-ppc64e | warning | Upstream build failed, couldn't test patch |
snowpatch_ozlabs/build-pmac32 | warning | Upstream build failed, couldn't test patch |
snowpatch_ozlabs/checkpatch | warning | total: 1 errors, 3 warnings, 0 checks, 14 lines checked |
snowpatch_ozlabs/needsstable | fail | Test needsstable on branch powerpc/merge |
On Mon, 3 Aug 2020 17:54:08 +1000, Oliver O'Halloran wrote: > Initialising the value before using it is generally regarded as a good > idea so do that. Applied to powerpc/next. [1/1] powerpc/powernv/sriov: Fix use of uninitialised variable https://git.kernel.org/powerpc/c/2075ec9896c5aef01e837198381d04cfa6452317 cheers
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
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> --- arch/powerpc/platforms/powernv/pci-sriov.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)