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[GIT,PULL,2/9] KVM: s390: Cleanup usage of current->mm in set_guest_storage_key

Message ID 1414525199-53989-3-git-send-email-borntraeger@de.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Christian Borntraeger Oct. 28, 2014, 7:39 p.m. UTC 
From: "Jason J. Herne" <jjherne@us.ibm.com>

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>
---
 arch/s390/mm/pgtable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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;