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Pci nic: pci_register_device can fail

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The pci_register_device() call in PCI nic initialization routines can
fail.  Handle this failure and propagate a meaningful error message to
the user instead of generating a SEGV.

Cc: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Chris Wright 2008-04-21 16:02:48 -07:00 • committed by Anthony Liguori
parent e6a6dfe454
commit aff427a1ca
5 changed files with 17 additions and 0 deletions
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3
hw/e1000.c
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@ -1063,6 +1063,9 @@ pci_e1000_init(PCIBus *bus, NICInfo *nd, int devfn)
d = (E1000State *)pci_register_device(bus, "e1000",
sizeof(E1000State), devfn, NULL, NULL);
if (!d)
return NULL;
pci_conf = d->dev.config;
memset(pci_conf, 0, 256);