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-rw-r--r--mm/mmap.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index e27e0cf0de03..772140c53ab1 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1767,10 +1767,13 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
1767 size = address - vma->vm_start; 1767 size = address - vma->vm_start;
1768 grow = (address - vma->vm_end) >> PAGE_SHIFT; 1768 grow = (address - vma->vm_end) >> PAGE_SHIFT;
1769 1769
1770 error = acct_stack_growth(vma, size, grow); 1770 error = -ENOMEM;
1771 if (!error) { 1771 if (vma->vm_pgoff + (size >> PAGE_SHIFT) >= vma->vm_pgoff) {
1772 vma->vm_end = address; 1772 error = acct_stack_growth(vma, size, grow);
1773 perf_event_mmap(vma); 1773 if (!error) {
1774 vma->vm_end = address;
1775 perf_event_mmap(vma);
1776 }
1774 } 1777 }
1775 } 1778 }
1776 vma_unlock_anon_vma(vma); 1779 vma_unlock_anon_vma(vma);