This is a note to let you know that I've just added the patch titled
usb: typec: Check for ops->exit instead of ops->enter in altmode_exit
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-typec-check-for-ops-exit-instead-of-ops-enter-in.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 347ef3171af98d554ea459201a658955fc262488
Author: Sven Peter <sven@xxxxxxxxxxxxx>
Date: Mon Nov 14 17:59:24 2022 +0100
usb: typec: Check for ops->exit instead of ops->enter in altmode_exit
[ Upstream commit b6ddd180e3d9f92c1e482b3cdeec7dda086b1341 ]
typec_altmode_exit checks if ops->enter is not NULL but then calls
ops->exit a few lines below. Fix that and check for the function
pointer it's about to call instead.
Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes")
Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221114165924.33487-1-sven@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
index 76299b6ff06d..7605963f71ed 100644
--- a/drivers/usb/typec/bus.c
+++ b/drivers/usb/typec/bus.c
@@ -126,7 +126,7 @@ int typec_altmode_exit(struct typec_altmode *adev)
if (!adev || !adev->active)
return 0;
- if (!pdev->ops || !pdev->ops->enter)
+ if (!pdev->ops || !pdev->ops->exit)
return -EOPNOTSUPP;
/* Moving to USB Safe State */
