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From: zhong jiang <zhongjiang@huawei.com>
To: <airlied@linux.ie>, <maxime.ripard@bootlin.com>
Cc: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] drm: sun4i: Fix a uninitialized variable warning.
Date: Tue, 18 Sep 2018 15:25:20 +0800	[thread overview]
Message-ID: <1537255520-41614-1-git-send-email-zhongjiang@huawei.com> (raw)

Fix the following compile warning:

drivers/gpu/drm/sun4i/sun4i_tcon.c:1088: warning: 'has_lvds_alt' may be used uninitialized in this function [-Wmaybe-uninitialized]
bool has_lvds_rst, has_lvds_alt, can_lvds;

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index c78cd35..563cc8f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1086,7 +1086,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
 	struct device_node *remote;
 	struct sun4i_tcon *tcon;
 	struct reset_control *edp_rstc;
-	bool has_lvds_rst, has_lvds_alt, can_lvds;
+	bool has_lvds_rst, has_lvds_alt = false, can_lvds;
 	int ret;
 
 	engine = sun4i_tcon_find_engine(drv, dev->of_node);
-- 
1.7.12.4


WARNING: multiple messages have this Message-ID (diff)
From: zhongjiang@huawei.com (zhong jiang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drm: sun4i: Fix a uninitialized variable warning.
Date: Tue, 18 Sep 2018 15:25:20 +0800	[thread overview]
Message-ID: <1537255520-41614-1-git-send-email-zhongjiang@huawei.com> (raw)

Fix the following compile warning:

drivers/gpu/drm/sun4i/sun4i_tcon.c:1088: warning: 'has_lvds_alt' may be used uninitialized in this function [-Wmaybe-uninitialized]
bool has_lvds_rst, has_lvds_alt, can_lvds;

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index c78cd35..563cc8f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1086,7 +1086,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
 	struct device_node *remote;
 	struct sun4i_tcon *tcon;
 	struct reset_control *edp_rstc;
-	bool has_lvds_rst, has_lvds_alt, can_lvds;
+	bool has_lvds_rst, has_lvds_alt = false, can_lvds;
 	int ret;
 
 	engine = sun4i_tcon_find_engine(drv, dev->of_node);
-- 
1.7.12.4

             reply	other threads:[~2018-09-18  7:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18  7:25 zhong jiang [this message]
2018-09-18  7:25 ` [PATCH] drm: sun4i: Fix a uninitialized variable warning zhong jiang
2018-09-19  8:47 ` Maxime Ripard
2018-09-19  8:47   ` Maxime Ripard
2018-09-19  9:01   ` zhong jiang
2018-09-19  9:01     ` zhong jiang
2018-09-21 14:26     ` Maxime Ripard
2018-09-21 14:26       ` Maxime Ripard
2018-09-21 14:49       ` zhong jiang
2018-09-21 14:49         ` zhong jiang

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