mm/mempolicy: fix use after free when calling get_mempolicy

[karo-tx-linux.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d911fa5cb2a73fe464042a59e1c2676c1129239d..618ab125228baec0810146a0638ce80ce4d50284 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -861,11 +861,6 @@ static long do_get_mempolicy(int *policy, nodemask_t *nmask,
                *policy |= (pol->flags & MPOL_MODE_FLAGS);
        }
 
-       if (vma) {
-               up_read(&current->mm->mmap_sem);
-               vma = NULL;
-       }
-
        err = 0;
        if (nmask) {
                if (mpol_store_user_nodemask(pol)) {