X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fhugetlbpage.c;h=201c7a5486cb3f815e89ec8e54966b5f29f6feb0;hb=fd37617e69fb865348d012eb1413aef0141ae2de;hp=deb494687a65770bf31d4cd029e9e9eca9ae131e;hpb=527491885554002837b5742202adc0ab5f536e54;p=linux-2.6-omap-h63xx.git

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index deb494687a6..201c7a5486c 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);
 }