[PATCH 1/1] staging: android: Fix warning cast removes address space of expression

Camille Bordignon
2014-04-20T09:22:28Z

Fix sparse warning "cast removes address space of expression"
Add lost flag "__user" due to cast

Signed-off-by: Camille Bordignon <camille.bordignon@gmail.com>
---
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index cfe4bc8..952c4ae 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -2683,16 +2683,21 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
binder_free_thread(proc, thread);
thread = NULL;
break;
- case BINDER_VERSION:
- if (size != sizeof(struct binder_version)) {
+ case BINDER_VERSION: {
+ struct binder_version __user *bv = ubuf;
+
+ if (size != sizeof(*bv)) {
ret = -EINVAL;
goto err;
}
- if (put_user(BINDER_CURRENT_PROTOCOL_VERSION, &((struct binder_version *)ubuf)->protocol_version)) {
+
+ if (put_user(BINDER_CURRENT_PROTOCOL_VERSION,
+ &bv->protocol_version)) {
ret = -EINVAL;
goto err;
}
break;
+ }
default:
ret = -EINVAL;
goto err;