staging: binder: add __user annotation in binder.c

Add __user to binder_version to correct sparse warning.
Reduce line size to fit to coding style.

Change-Id: I8694fb5a082721c69d1596b2853c5d4899f6536b
Signed-off-by: Mathieu Maret <mathieu.maret@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index cfe4bc8f05cb82ec83b4e127ba53f8e72968a85c..1f5e2499ac1b2255caf7e598018f1cd52148767b 100644 (file)
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -2683,16 +2683,20 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                binder_free_thread(proc, thread);
                thread = NULL;
                break;
-       case BINDER_VERSION:
+       case BINDER_VERSION: {
+               struct binder_version __user *ver = ubuf;
+
                if (size != sizeof(struct binder_version)) {
                        ret = -EINVAL;
                        goto err;
                }
-               if (put_user(BINDER_CURRENT_PROTOCOL_VERSION, &((struct binder_version *)ubuf)->protocol_version)) {
+               if (put_user(BINDER_CURRENT_PROTOCOL_VERSION,
+                            &ver->protocol_version)) {
                        ret = -EINVAL;
                        goto err;
                }
                break;
+       }
        default:
                ret = -EINVAL;
                goto err;