linux-kernel - [PATCH] omapdrm: hdmi4_cec: fix unsigned int comparison with less than zero

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Date:   Fri, 17 Nov 2017 18:49:56 +0000
From:   Colin King <colin.king@...onical.com>
To:     Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] omapdrm: hdmi4_cec: fix unsigned int comparison with less than zero

From: Colin Ian King <colin.king@...onical.com>

The two comparisons of the unsigned int ret for -ve error returns is
always false because ret is unsigned. Fix this by making ret a signed
int.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
index d86873f2abe6..e626eddf24d5 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
@@ -352,7 +352,7 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core,
 {
 	const u32 caps = CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS |
 			 CEC_CAP_PASSTHROUGH | CEC_CAP_RC;
-	unsigned int ret;
+	int ret;
 
 	core->adap = cec_allocate_adapter(&hdmi_cec_adap_ops, core,
 		"omap4", caps, CEC_MAX_LOG_ADDRS);
-- 
2.14.1