diff options
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 27239a076773..6a2d315495a3 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1150,6 +1150,9 @@ static int subpage_protection(struct mm_struct *mm, unsigned long ea) u32 spp = 0; u32 **sbpm, *sbpp; + if (!spt) + return 0; + if (ea >= spt->maxaddr) return 0; if (ea < 0x100000000UL) { |