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Date: Thu, 29 Sep 2011 15:52:45 -0400 From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> To: linux-kernel@...r.kernel.org Cc: Dan Carpenter <error27@...il.com>, xen-devel@...ts.xensource.com, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> Subject: [PATCH 3/9] xen/pciback: Check if the device is found instead of blindly assuming so. Just in case it is not found, don't try to dereference it. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> --- drivers/xen/xen-pciback/pci_stub.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index d985b65..55086e9 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -222,6 +222,8 @@ void pcistub_put_pci_dev(struct pci_dev *dev) } spin_unlock_irqrestore(&pcistub_devices_lock, flags); + if (!found_psdev) + return; /*hold this lock for avoiding breaking link between * pcistub and xen_pcibk when AER is in processing -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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