From: Michael Ellerman <mpe@ellerman.id.au>
To: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, gwshan@linux.vnet.ibm.com
Subject: Re: [PATCH V2] powerpc/eeh: Fix kernel crash when passing through VF
Date: Fri, 12 Sep 2014 13:55:23 +1000 [thread overview]
Message-ID: <1410494123.17540.2.camel@concordia> (raw)
In-Reply-To: <1410406921-8557-1-git-send-email-weiyang@linux.vnet.ibm.com>
On Thu, 2014-09-11 at 11:42 +0800, Wei Yang wrote:
> diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
> index 4a45ba8..403445e 100644
> --- a/arch/powerpc/kernel/eeh.c
> +++ b/arch/powerpc/kernel/eeh.c
> @@ -625,7 +625,7 @@ int eeh_pci_enable(struct eeh_pe *pe, int function)
> int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state)
> {
> struct eeh_dev *edev = pci_dev_to_eeh_dev(dev);
> - struct eeh_pe *pe = edev->pe;
> + struct eeh_pe *pe = edev ? edev->pe : NULL;
>
> if (!pe) {
> pr_err("%s: No PE found on PCI device %s\n",
We seem to do this or something similar in a few places. Is it worth having a
pci_dev_to_eeh_pe() inline?
cheers
next prev parent reply other threads:[~2014-09-12 3:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 3:42 [PATCH V2] powerpc/eeh: Fix kernel crash when passing through VF Wei Yang
2014-09-12 3:55 ` Michael Ellerman [this message]
2014-09-12 5:05 ` Gavin Shan
2014-09-12 9:35 ` Wei Yang
2014-09-14 1:19 ` Gavin Shan
2014-09-15 2:49 ` Michael Ellerman
2014-09-15 8:08 ` [PATCH] " Wei Yang
2014-09-16 4:03 ` Michael Ellerman
2014-09-16 6:02 ` Wei Yang
2014-09-16 7:14 ` Gavin Shan
2014-09-17 2:48 ` [PATCH V4] " Wei Yang
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