2024-01-02 09:12:16

by Heikki Krogerus

[permalink] [raw]
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: [email protected]
Cc: RD Babiera <[email protected]>
Reported-by: Chris Bainbridge <[email protected]>
Closes: https://lore.kernel.org/lkml/CAP-bSRb3SXpgo_BEdqZB-p1K5625fMegRZ17ZkPE1J8ZYgEHDg@mail.gmail.com/
Signed-off-by: Heikki Krogerus <[email protected]>
---
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