1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index deb494687a65..201c7a5486cb 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -506,6 +506,9 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 {
         struct hstate *hstate = hstate_file(file);
         int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
+
+        if (!mmu_huge_psizes[mmu_psize])
+                return -EINVAL;
         return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
 }