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-rw-r--r--mm/mremap.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 4c4c803..e9c75ef 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -460,8 +460,11 @@ unsigned long do_mremap(unsigned long addr,
if (vma_expandable(vma, new_len - old_len)) {
int pages = (new_len - old_len) >> PAGE_SHIFT;
- vma_adjust(vma, vma->vm_start,
- addr + new_len, vma->vm_pgoff, NULL);
+ if (vma_adjust(vma, vma->vm_start, addr + new_len,
+ vma->vm_pgoff, NULL)) {
+ ret = -ENOMEM;
+ goto out;
+ }
mm->total_vm += pages;
vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
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