[PATCH] [POWERPC] eeh: avoid a possible NULL pointer dereference
From: Stephen Rothwell <hidden>
Date: 2007-12-07 06:55:56
Subsystem:
linux for powerpc (32-bit and 64-bit), pci enhanced error handling (eeh) for powerpc, the rest · Maintainers:
Madhavan Srinivasan, Mahesh J Salgaonkar, Linus Torvalds
Signed-off-by: Stephen Rothwell <redacted> --- arch/powerpc/platforms/pseries/eeh_driver.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 06b89b5..68ea5ee 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c@@ -310,8 +310,6 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) const char *location, *pci_str, *drv_str; frozen_dn = find_device_pe(event->dn); - frozen_bus = pcibios_find_pci_bus(frozen_dn); - if (!frozen_dn) { 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)); return NULL; } + + frozen_bus = pcibios_find_pci_bus(frozen_dn); location = of_get_property(frozen_dn, "ibm,loc-code", NULL); location = location ? location : "unknown";
--
1.5.3.7
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/