mm/mprotect: Use vma_next() instead of mas_next().

mas is in the wrong state and would potentially return the current vma twice.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 676224803726ffe016b39e1142e35c5124e84a78..6dbd5f685ffb0e1f56c8a6232d62aa0828c499e3 100644 (file)
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -634,7 +634,7 @@ static int do_mprotect_pkey(unsigned long start, size_t len,
                if (nstart >= end)
                        goto out;
 
-               vma = mas_next(&mas, ULONG_MAX);
+               vma = vma_next(current->mm, vma);
                if (!vma || vma->vm_start != nstart) {
                        error = -ENOMEM;
                        goto out;