linux-kernel - [PATCH] usb: typec: Add the missed altmode_id_remove() in typec_register

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Date:   Thu, 17 Jun 2021 15:32:26 +0800
From:   Jing Xiangfeng <jingxiangfeng@...wei.com>
To:     <heikki.krogerus@...ux.intel.com>, <gregkh@...uxfoundation.org>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <jingxiangfeng@...wei.com>
Subject: [PATCH] usb: typec: Add the missed altmode_id_remove() in typec_register_altmode()

typec_register_altmode() misses to call altmode_id_remove() in an error
path. Add the missed function call to fix it.

Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
---
 drivers/usb/typec/class.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index b9429c9f65f6..aeef453aa658 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -517,8 +517,10 @@ typec_register_altmode(struct device *parent,
 	int ret;
 
 	alt = kzalloc(sizeof(*alt), GFP_KERNEL);
-	if (!alt)
+	if (!alt) {
+		altmode_id_remove(parent, id);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	alt->adev.svid = desc->svid;
 	alt->adev.mode = desc->mode;
-- 
2.26.0.106.g9fadedd