This is a note to let you know that I've just added the patch titled
usb: typec: Return size of buffer if pd_set operation succeeds
to the 6.6-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-return-size-of-buffer-if-pd_set-operation-succeeds.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 53f5094fdf5deacd99b8655df692e9278506724d Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@xxxxxxxxxx>
Date: Tue, 19 Mar 2024 15:43:09 +0800
Subject: usb: typec: Return size of buffer if pd_set operation succeeds
From: Kyle Tso <kyletso@xxxxxxxxxx>
commit 53f5094fdf5deacd99b8655df692e9278506724d upstream.
The attribute writing should return the number of bytes used from the
buffer on success.
Fixes: a7cff92f0635 ("usb: typec: USB Power Delivery helpers for ports and partners")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240319074309.3306579-1-kyletso@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/typec/class.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1264,6 +1264,7 @@ static ssize_t select_usb_power_delivery
{
struct typec_port *port = to_typec_port(dev);
struct usb_power_delivery *pd;
+ int ret;
if (!port->ops || !port->ops->pd_set)
return -EOPNOTSUPP;
@@ -1272,7 +1273,11 @@ static ssize_t select_usb_power_delivery
if (!pd)
return -EINVAL;
- return port->ops->pd_set(port, pd);
+ ret = port->ops->pd_set(port, pd);
+ if (ret)
+ return ret;
+
+ return size;
}
static ssize_t select_usb_power_delivery_show(struct device *dev,
Patches currently in stable-queue which might be from kyletso@xxxxxxxxxx are
queue-6.6/usb-typec-return-size-of-buffer-if-pd_set-operation-succeeds.patch
