diff options
Diffstat (limited to 'drivers/android/binder_alloc.c')
| -rw-r--r-- | drivers/android/binder_alloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index c8614f3c70c4..6bea2840e70a 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -219,6 +219,11 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate, if (mm) { down_read(&mm->mmap_sem); + if (!mmget_still_valid(mm)) { + if (allocate == 0) + goto free_range; + goto err_no_vma; + } vma = alloc->vma; } |