Revert "usb: typec: class: fix typec_altmode_put_partner to put plugs"

commit 9c6b789e954fae73c548f39332bcc56bdf0d4373 upstream.

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@vger.kernel.org>
Cc: RD Babiera <rdbabiera@google.com>
Reported-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Closes: https://lore.kernel.org/lkml/CAP-bSRb3SXpgo_BEdqZB-p1K5625fMegRZ17ZkPE1J8ZYgEHDg@mail.gmail.com/
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240102091142.2136472-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 6e80fab..9c1dbf3 100644 (file)
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -266,7 +266,7 @@ 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);
@@ -496,8 +496,7 @@ 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);