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Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 2ffca63602c..7b278d83739 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -174,7 +174,7 @@ void __iomem * __ioremap(unsigned long addr, unsigned long size,
pa = addr & PAGE_MASK;
size = PAGE_ALIGN(addr + size) - pa;
- if (size == 0)
+ if ((size == 0) || (pa == 0))
return NULL;
if (mem_init_done) {