diff options
| -rw-r--r-- | drivers/staging/android/binder.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 574e99210c36..b9a534c46aac 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -2793,6 +2793,9 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) const char *failure_string; struct binder_buffer *buffer; + if (proc->tsk != current) + return -EINVAL; + if ((vma->vm_end - vma->vm_start) > SZ_4M) vma->vm_end = vma->vm_start + SZ_4M; @@ -2857,7 +2860,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) binder_insert_free_buffer(proc, buffer); proc->free_async_space = proc->buffer_size / 2; barrier(); - proc->files = get_files_struct(proc->tsk); + proc->files = get_files_struct(current); proc->vma = vma; proc->vma_vm_mm = vma->vm_mm; |