* [PATCH] powerpc/powernv/sriov: Fix use of uninitialised variable
@ 2020-08-03 7:54 Oliver O'Halloran
2020-08-05 0:42 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Oliver O'Halloran @ 2020-08-03 7:54 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Nathan Chancellor, Oliver O'Halloran
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(-)
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
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] powerpc/powernv/sriov: Fix use of uninitialised variable
2020-08-03 7:54 [PATCH] powerpc/powernv/sriov: Fix use of uninitialised variable Oliver O'Halloran
@ 2020-08-05 0:42 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2020-08-05 0:42 UTC (permalink / raw)
To: linuxppc-dev, Oliver O'Halloran; +Cc: Nathan Chancellor
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
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-08-05 0:47 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-08-03 7:54 [PATCH] powerpc/powernv/sriov: Fix use of uninitialised variable Oliver O'Halloran
2020-08-05 0:42 ` Michael Ellerman
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).