linux-kernel - [PATCH] Revert "usb: typec: class: fix typec_altmode_put

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Date: Tue,  2 Jan 2024 11:11:41 +0200
From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org,
	RD Babiera <rdbabiera@...gle.com>,
	Chris Bainbridge <chris.bainbridge@...il.com>
Subject: [PATCH] Revert "usb: typec: class: fix typec_altmode_put_partner to put plugs"

This reverts commit b17b7fe6dd5c6ff74b38b0758ca799cdbb79e26e.

That commit messed up the reference counting, so it needs to
be rethought.

Fixes: b17b7fe6dd5c ("usb: typec: class: fix typec_altmode_put_partner to put plugs")
Cc: stable@...r.kernel.org
Cc: RD Babiera <rdbabiera@...gle.com>
Reported-by: Chris Bainbridge <chris.bainbridge@...il.com>
Closes: https://lore.kernel.org/lkml/CAP-bSRb3SXpgo_BEdqZB-p1K5625fMegRZ17ZkPE1J8ZYgEHDg@mail.gmail.com/
Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 drivers/usb/typec/class.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index aeae8009b9e3..4d11f2b536fa 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -267,7 +267,7 @@ static void typec_altmode_put_partner(struct altmode *altmode)
 	if (!partner)
 		return;
 
-	adev = &altmode->adev;
+	adev = &partner->adev;
 
 	if (is_typec_plug(adev->dev.parent)) {
 		struct typec_plug *plug = to_typec_plug(adev->dev.parent);
@@ -497,8 +497,7 @@ static void typec_altmode_release(struct device *dev)
 {
 	struct altmode *alt = to_altmode(to_typec_altmode(dev));
 
-	if (!is_typec_port(dev->parent))
-		typec_altmode_put_partner(alt);
+	typec_altmode_put_partner(alt);
 
 	altmode_id_remove(alt->adev.dev.parent, alt->id);
 	kfree(alt);
-- 
2.43.0