Merge "mm: rmap: fix use-after-free in __put_anon_vma"

mm/rmap.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1675,10 +1675,9 @@ void __put_anon_vma(struct anon_vma *anon_vma)
		{
		struct anon_vma *root = anon_vma->root;

		anon_vma_free(anon_vma);
		if (root != anon_vma && atomic_dec_and_test(&root->refcount))
		anon_vma_free(root);

		anon_vma_free(anon_vma);
		}

		#ifdef CONFIG_MIGRATION