6.6-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 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-c22... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 946212a95598..5e3b8edcf794 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++) {