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-rw-r--r--mm/memory.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 4425b6059339..04004834e985 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3133,6 +3133,8 @@ static int do_fault_around(struct fault_env *fe, pgoff_t start_pgoff)
if (pmd_none(*fe->pmd)) {
fe->prealloc_pte = pte_alloc_one(fe->vma->vm_mm, fe->address);
+ if (!fe->prealloc_pte)
+ goto out;
smp_wmb(); /* See comment in __pte_alloc() */
}