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-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 47087832f8b2..e6bd172bcf30 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -980,6 +980,9 @@ static int pseries_update_drconf_memory(struct of_reconfig_data *pr)
if (!memblock_size)
return -EINVAL;
+ if (!pr->old_prop)
+ return 0;
+
p = (__be32 *) pr->old_prop->value;
if (!p)
return -EINVAL;