diff options
Diffstat (limited to 'kernel/arch/powerpc/mm/copro_fault.c')
| -rw-r--r-- | kernel/arch/powerpc/mm/copro_fault.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/mm/copro_fault.c b/kernel/arch/powerpc/mm/copro_fault.c index 6527882ce..ddfd2740a 100644 --- a/kernel/arch/powerpc/mm/copro_fault.c +++ b/kernel/arch/powerpc/mm/copro_fault.c @@ -106,6 +106,8 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) switch (REGION_ID(ea)) { case USER_REGION_ID: pr_devel("%s: 0x%llx -- USER_REGION_ID\n", __func__, ea); + if (mm == NULL) + return 1; psize = get_slice_psize(mm, ea); ssize = user_segment_size(ea); vsid = get_vsid(mm->context.id, ea, ssize); |