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authorMichael Ellerman <mpe@ellerman.id.au>2015-04-14 09:49:05 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2015-04-14 10:13:31 +0300
commit89a51df5ab1d38b257300b8ac940bbac3bb0eb9b (patch)
treefd7a905d056cf98088657b2e365909d30b84b11a /arch/powerpc/kernel/eeh.c
parent9a5cbce421a283e6aea3c4007f141735bf9da8c3 (diff)
downloadlinux-89a51df5ab1d38b257300b8ac940bbac3bb0eb9b.tar.xz
powerpc/eeh: Fix crash in eeh_add_device_early() on Cell
The recent change to the EEH probing causes a crash on Cell because eeh_ops is NULL. Check if EEH is enabled and if not bail out. Fixes: ff57b454ddb9 ("powerpc/eeh: Do probe on pci_dn") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/eeh.c')
-rw-r--r--arch/powerpc/kernel/eeh.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 76253eb146be..a4c62eb0ee48 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1053,7 +1053,7 @@ void eeh_add_device_early(struct pci_dn *pdn)
struct pci_controller *phb;
struct eeh_dev *edev = pdn_to_eeh_dev(pdn);
- if (!edev)
+ if (!edev || !eeh_enabled())
return;
/* USB Bus children of PCI devices will not have BUID's */