[PATCH -next] binder: change error code from postive to negative in binder_transaction

[Zhang Qilong]

Depending on the context, the error return value
here (extra_buffers_size < added_size) should be
negative.

Signed-off-by: Zhang Qilong <zhangqilong3 at huawei.com>
---
 drivers/android/binder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index b5117576792b..8bbfb9124fa2 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3103,7 +3103,7 @@ static void binder_transaction(struct binder_proc *proc,
 		if (extra_buffers_size < added_size) {
 			/* integer overflow of extra_buffers_size */
 			return_error = BR_FAILED_REPLY;
-			return_error_param = EINVAL;
+			return_error_param = -EINVAL;
 			return_error_line = __LINE__;
 			goto err_bad_extra_size;
 		}
-- 
2.17.1