summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--mm/memory.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 9606ceb..9b3b73f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2792,8 +2792,10 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
spinlock_t *ptl;
pte_t entry;
- if (check_stack_guard_page(vma, address) < 0)
+ if (check_stack_guard_page(vma, address) < 0) {
+ pte_unmap(page_table);
return VM_FAULT_SIGBUS;
+ }
if (!(flags & FAULT_FLAG_WRITE)) {
entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
OpenPOWER on IntegriCloud