From: Colin King <colin.king@canonical.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-media@vger.kernel.org, linux-staging@lists.linux.dev
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] media: atomisp: remove redundant initializations of several variables
Date: Thu, 22 Apr 2021 12:05:44 +0100 [thread overview]
Message-ID: <20210422110544.244609-1-colin.king@canonical.com> (raw)
From: Colin Ian King <colin.king@canonical.com>
Several variables are being initialized with values that is never
read and being updated later with a new value. The initializations
are redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 2 +-
drivers/staging/media/atomisp/i2c/atomisp-ov2722.c | 2 +-
drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c | 2 +-
drivers/staging/media/atomisp/pci/sh_css.c | 4 ++--
drivers/staging/media/atomisp/pci/sh_css_params.c | 2 +-
5 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
index 78147ffb6099..f1ab7a0cab32 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
@@ -548,7 +548,7 @@ static int is_init;
static int power_ctrl(struct v4l2_subdev *sd, bool flag)
{
- int ret = -1;
+ int ret;
struct gc2235_device *dev = to_gc2235_sensor(sd);
if (!dev || !dev->platform_data)
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
index 1209492c1826..17af178cd54c 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c
@@ -673,7 +673,7 @@ static int power_ctrl(struct v4l2_subdev *sd, bool flag)
static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
{
struct ov2722_device *dev = to_ov2722_sensor(sd);
- int ret = -1;
+ int ret;
if (!dev || !dev->platform_data)
return -ENODEV;
diff --git a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
index e698b63d6cb7..769dc122f266 100644
--- a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
+++ b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c
@@ -932,7 +932,7 @@ static int ov5693_q_exposure(struct v4l2_subdev *sd, s32 *value)
static int ad5823_t_focus_vcm(struct v4l2_subdev *sd, u16 val)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- int ret = -EINVAL;
+ int ret;
u8 vcm_code;
ret = ad5823_i2c_read(client, AD5823_REG_VCM_CODE_MSB, &vcm_code);
diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c
index 27dd8ce8ba0a..f6edb6171612 100644
--- a/drivers/staging/media/atomisp/pci/sh_css.c
+++ b/drivers/staging/media/atomisp/pci/sh_css.c
@@ -6259,7 +6259,7 @@ allocate_delay_frames(struct ia_css_pipe *pipe) {
unsigned int dvs_frame_delay = 0;
struct ia_css_frame_info ref_info;
int err = 0;
- enum ia_css_pipe_id mode = IA_CSS_PIPE_ID_VIDEO;
+ enum ia_css_pipe_id mode;
struct ia_css_frame **delay_frames = NULL;
IA_CSS_ENTER_PRIVATE("");
@@ -8764,7 +8764,7 @@ int
ia_css_pipe_create_extra(const struct ia_css_pipe_config *config,
const struct ia_css_pipe_extra_config *extra_config,
struct ia_css_pipe **pipe) {
- int err = -EINVAL;
+ int err;
struct ia_css_pipe *internal_pipe = NULL;
unsigned int i;
diff --git a/drivers/staging/media/atomisp/pci/sh_css_params.c b/drivers/staging/media/atomisp/pci/sh_css_params.c
index 644e14575987..470a7af68ac1 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_params.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_params.c
@@ -3225,7 +3225,7 @@ sh_css_param_update_isp_params(struct ia_css_pipe *curr_pipe,
int err = 0;
ia_css_ptr cpy;
int i;
- unsigned int raw_bit_depth = 10;
+ unsigned int raw_bit_depth;
unsigned int isp_pipe_version = SH_CSS_ISP_PIPE_VERSION_1;
bool acc_cluster_params_changed = false;
unsigned int thread_id, pipe_num;
--
2.30.2
reply other threads:[~2021-04-22 11:05 UTC|newest]
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