5.15-stable review patch. If anyone has any objections, please let me know.
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From: Tomi Valkeinen tomi.valkeinen@ideasonboard.com
[ 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@kernel.org Signed-off-by: Tomi Valkeinen tomi.valkeinen@ideasonboard.com Link: https://patchwork.freedesktop.org/patch/msgid/20231103-uninit-fixes-v2-4-c22... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/tc358767.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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; } }