5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
[ Upstream commit 155d6fb61270dd297f128731cd155080deee8f3a ]
'ret' could be uninitialized at the end of the function, although it's
not clear if that can happen in practice.
Fixes: 6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20231103-uninit-fixes-v2-3-c22b2444f5f5@xxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
index fccd6fbcc257..29c04012b701 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
@@ -403,7 +403,8 @@ static int _cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp)
static int _cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type)
{
- int ret, tries = 3;
+ int ret = -EINVAL;
+ int tries = 3;
u32 i;
for (i = 0; i < tries; i++) {
--
2.43.0
