From: Dan Carpenter <dan.carpenter@oracle.com>
To: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Heungjun Kim <riverful.kim@samsung.com>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [patch] [media] m5mols: potential uninitialized variable
Date: Tue, 15 Mar 2016 07:07:10 +0000 [thread overview]
Message-ID: <20160315070710.GD13560@mwanda> (raw)
Smatch complains that there are some paths where "status" isn't
initialized. The code does assume that m5mols_read_u8() can fail so it
seems as if Smatch is correct.
Let's initialize it to REG_ISO_AUTO which is zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
index a60931e..c2218c0 100644
--- a/drivers/media/i2c/m5mols/m5mols_controls.c
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -405,7 +405,7 @@ static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
struct v4l2_subdev *sd = to_sd(ctrl);
struct m5mols_info *info = to_m5mols(sd);
int ret = 0;
- u8 status;
+ u8 status = REG_ISO_AUTO;
v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
__func__, ctrl->name, info->isp_ready);
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Heungjun Kim <riverful.kim@samsung.com>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [patch] [media] m5mols: potential uninitialized variable
Date: Tue, 15 Mar 2016 10:07:10 +0300 [thread overview]
Message-ID: <20160315070710.GD13560@mwanda> (raw)
Smatch complains that there are some paths where "status" isn't
initialized. The code does assume that m5mols_read_u8() can fail so it
seems as if Smatch is correct.
Let's initialize it to REG_ISO_AUTO which is zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
index a60931e..c2218c0 100644
--- a/drivers/media/i2c/m5mols/m5mols_controls.c
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -405,7 +405,7 @@ static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
struct v4l2_subdev *sd = to_sd(ctrl);
struct m5mols_info *info = to_m5mols(sd);
int ret = 0;
- u8 status;
+ u8 status = REG_ISO_AUTO;
v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
__func__, ctrl->name, info->isp_ready);
next reply other threads:[~2016-03-15 7:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 7:07 Dan Carpenter [this message]
2016-03-15 7:07 ` [patch] [media] m5mols: potential uninitialized variable Dan Carpenter
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