[PATCH 01/37] Revert "android: binder: Sanity check at binder ioctl"

[Todd Kjos]

This reverts commit a906d6931f3ccaf7de805643190765ddd7378e27.

Signed-off-by: Todd Kjos <tk...@google.com>
---
 drivers/android/binder.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index aae4d8d4be36..157bd3e49ff4 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3247,10 +3247,6 @@ static long binder_ioctl(struct file *filp, unsigned int 
cmd, unsigned long arg)
        /*pr_info("binder_ioctl: %d:%d %x %lx\n",
                        proc->pid, current->pid, cmd, arg);*/
 
-       if (unlikely(current->mm != proc->vma_vm_mm)) {
-               pr_err("current mm mismatch proc mm\n");
-               return -EINVAL;
-       }
        trace_binder_ioctl(cmd, arg);
 
        ret = wait_event_interruptible(binder_user_error_wait, 
binder_stop_on_user_error < 2);
@@ -3466,7 +3462,6 @@ static int binder_open(struct inode *nodp, struct file 
*filp)
                return -ENOMEM;
        get_task_struct(current);
        proc->tsk = current;
-       proc->vma_vm_mm = current->mm;
        INIT_LIST_HEAD(&proc->todo);
        init_waitqueue_head(&proc->wait);
        proc->default_priority = task_nice(current);
-- 
2.13.2.725.g09c95d1e9-goog