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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
commitcbfff98a623df8d4e7c02d63d6448220cf0aec7c (patch)
tree1a02766ada2b9be9745d6028f80a801eff5b358a /arch/powerpc/mm/copro_fault.c
parentb65fba3d87216bfe6ae9bc77be5eb6eabb6514a4 (diff)
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
Merge 4.9-rc3 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/mm/copro_fault.c')
-rw-r--r--arch/powerpc/mm/copro_fault.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index bb0354222b11..362954f98029 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/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);