KVM: s390: Cleanup usage of current->mm in set_guest_storage_key

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 <jjherne@us.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jason J. Herne 2014-10-07 13:31:37 -04:00 committed by Christian Borntraeger
parent a6b7e459ff
commit edeb69e537

View file

@ -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;