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drm/bridge: cdns-mhdp8546: Fix use of uninitialized variable

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[ 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@kernel.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231103-uninit-fixes-v2-3-c22b2444f5f5@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tomi Valkeinen 2023-11-03 15:14:05 +02:00 committed by Greg Kroah-Hartman
parent a5934df4df
commit a3cb0b5b1b
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
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@ -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++) {