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[POWERPC] EEH: Avoid a possible NULL pointer dereference

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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell 2007-12-07 17:55:51 +11:00 committed by Paul Mackerras
parent 1dee20262f
commit b76e5e9398
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/platforms/pseries/eeh_driver.c
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@ -310,8 +310,6 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event)
const char *location, *pci_str, *drv_str; const char *location, *pci_str, *drv_str;
frozen_dn = find_device_pe(event->dn); frozen_dn = find_device_pe(event->dn);
frozen_bus = pcibios_find_pci_bus(frozen_dn);
if (!frozen_dn) { if (!frozen_dn) {
location = of_get_property(event->dn, "ibm,loc-code", NULL); location = of_get_property(event->dn, "ibm,loc-code", NULL);
@ -321,6 +319,8 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event)
location, pci_name(event->dev)); location, pci_name(event->dev));
return NULL; return NULL;
} }
frozen_bus = pcibios_find_pci_bus(frozen_dn);
location = of_get_property(frozen_dn, "ibm,loc-code", NULL); location = of_get_property(frozen_dn, "ibm,loc-code", NULL);
location = location ? location : "unknown"; location = location ? location : "unknown";