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authorPaul Mackerras <paulus@samba.org>2008-12-16 14:38:58 +1100
committerPaul Mackerras <paulus@samba.org>2008-12-16 14:38:58 +1100
commit1e1c568d6c66d1e2e345fd15e2a1ceafc5d7e33a (patch)
tree0cf88547108a750d6eb910564ef5bf0ffb5ceef3 /arch/powerpc/mm/hugetlbpage.c
parent91cac623262c1c0cd298c5c648a8bd2b647c264d (diff)
parent23e0e8afafd9ac065d81506524adf3339584044b (diff)
Merge branch 'merge' into next
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c3
1 files changed, 3 insertions, 0 deletions
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);
}