This is a note to let you know that I've just added the patch titled
drm/bridge: tc358767: Fix return value on error case
to the 5.15-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:
drm-bridge-tc358767-fix-return-value-on-error-case.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c0f1172956ddd3bb72015ca6c90f48ad1b59776a
Author: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Date: Fri Nov 3 15:14:06 2023 +0200
drm/bridge: tc358767: Fix return value on error case
[ Upstream commit 32bd29b619638256c5b75fb021d6d9f12fc4a984 ]
If the hpd_pin is invalid, the driver returns 'ret'. But 'ret' contains
0, instead of an error value.
Return -EINVAL instead.
Fixes: f25ee5017e4f ("drm/bridge: tc358767: add IRQ and HPD support")
Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20231103-uninit-fixes-v2-4-c22b2444f5f5@xxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 14d671742963..4c6f3052156b 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1633,7 +1633,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id)
} else {
if (tc->hpd_pin < 0 || tc->hpd_pin > 1) {
dev_err(dev, "failed to parse HPD number\n");
- return ret;
+ return -EINVAL;
}
}
