From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led

---
 kernel/drivers/media/usb/uvc/uvc_entity.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/media/usb/uvc/uvc_entity.c b/kernel/drivers/media/usb/uvc/uvc_entity.c
index ca3a9c2..7c98953 100644
--- a/kernel/drivers/media/usb/uvc/uvc_entity.c
+++ b/kernel/drivers/media/usb/uvc/uvc_entity.c
@@ -37,7 +37,7 @@
 			continue;
 
 		remote = uvc_entity_by_id(chain->dev, entity->baSourceID[i]);
-		if (remote == NULL)
+		if (remote == NULL || remote->num_pads == 0)
 			return -EINVAL;
 
 		source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING)

--
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