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-rw-r--r--mm/mprotect.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index c89ce07923c8..028c724dcb1a 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -110,8 +110,8 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
continue;
}
- ptent = ptep_modify_prot_start(vma, addr, pte);
- ptent = pte_modify(ptent, newprot);
+ oldpte = ptep_modify_prot_start(vma, addr, pte);
+ ptent = pte_modify(oldpte, newprot);
if (preserve_write)
ptent = pte_mk_savedwrite(ptent);
@@ -121,7 +121,7 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
!(vma->vm_flags & VM_SOFTDIRTY))) {
ptent = pte_mkwrite(ptent);
}
- ptep_modify_prot_commit(vma, addr, pte, ptent);
+ ptep_modify_prot_commit(vma, addr, pte, oldpte, ptent);
pages++;
} else if (IS_ENABLED(CONFIG_MIGRATION)) {
swp_entry_t entry = pte_to_swp_entry(oldpte);