X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=kernel%2Farch%2Fpowerpc%2Fmm%2Fcopro_fault.c;h=ddfd2740a1b5d3cd643207fd5250a3515e810987;hp=6527882ce05ede3a0a45f74d3a11c4c375da6514;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hpb=c189ccac5702322ed843fe17057035b7222a59b6

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);