From: "Jason J. Herne" <[email protected]>

In set_guest_storage_key, we really want to reference the mm struct given as
a parameter to the function. So replace the current->mm reference with the
mm struct passed in by the caller.

Signed-off-by: Jason J. Herne <[email protected]>
Signed-off-by: Christian Borntraeger <[email protected]>
---
 arch/s390/mm/pgtable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 1b79ca6..cfecc24 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -936,7 +936,7 @@ int set_guest_storage_key(struct mm_struct *mm, unsigned 
long addr,
 
        down_read(&mm->mmap_sem);
 retry:
-       ptep = get_locked_pte(current->mm, addr, &ptl);
+       ptep = get_locked_pte(mm, addr, &ptl);
        if (unlikely(!ptep)) {
                up_read(&mm->mmap_sem);
                return -EFAULT;
-- 
1.9.3

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