From 8ce47e71757fc90d13ff9e1e7b189ff751b3ac20 Mon Sep 17 00:00:00 2001
From: Haochen Tong <i@hexchain.org>
Date: Sun, 12 Jan 2020 01:42:26 +0100
Subject: [PATCH] avctp: Fix EINVAL on uinput creation

The struct uinput_dev variable is on stack, so clear its content to
avoid accidentally writing garbage values to kernel. This fixes "Can't
create uinput device: Invalid argument (22)" in some cases.
---
 profiles/audio/avctp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/profiles/audio/avctp.c b/profiles/audio/avctp.c
index d3b5dfab9..37ffde9e7 100644
--- a/profiles/audio/avctp.c
+++ b/profiles/audio/avctp.c
@@ -1182,6 +1182,8 @@ static int uinput_create(struct btd_device *device, const char *name,
 		}
 	}
 
+	memset(&dev, 0, sizeof(dev));
+
 	if (name) {
 		strncpy(dev.name, name, UINPUT_MAX_NAME_SIZE);
 		dev.name[UINPUT_MAX_NAME_SIZE - 1] = '\0';
-- 
2.47.3