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From: Colin Ian King <colin.i.king@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>,
	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][next] media: atomisp: remove redundant assignments to variables
Date: Tue, 19 Dec 2023 14:39:29 +0000
Message-Id: <20231219143929.367929-1-colin.i.king@gmail.com>
Precedence: bulk
MIME-Version: 1.0
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There are several variables that are being initialized with values
that are never read, the assignment are redundant and can be removed.
Cleans up cppcheck unreadVariable warnings.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
 .../atomisp/pci/base/circbuf/src/circbuf.c     |  2 +-
 .../pci/runtime/pipeline/src/pipeline.c        |  4 +---
 .../atomisp/pci/runtime/queue/src/queue.c      | 18 +++++++++---------
 3 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/base/circbuf/src/circbuf.c b/drivers/staging/media/atomisp/pci/base/circbuf/src/circbuf.c
index d9f7c143794d..06f039236abc 100644
--- a/drivers/staging/media/atomisp/pci/base/circbuf/src/circbuf.c
+++ b/drivers/staging/media/atomisp/pci/base/circbuf/src/circbuf.c
@@ -207,7 +207,7 @@ bool ia_css_circbuf_increase_size(
 {
 	u8 curr_size;
 	u8 curr_end;
-	unsigned int i = 0;
+	unsigned int i;
 
 	if (!cb || sz_delta == 0)
 		return false;
diff --git a/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c b/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
index 3d8741e7d5ca..966cb47b95d9 100644
--- a/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
+++ b/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
@@ -693,7 +691,7 @@ static void pipeline_init_defaults(
 static void ia_css_pipeline_set_zoom_stage(struct ia_css_pipeline *pipeline)
 {
 	struct ia_css_pipeline_stage *stage = NULL;
-	int err = 0;
+	int err;
 
 	assert(pipeline);
 	if (pipeline->pipe_id == IA_CSS_PIPE_ID_PREVIEW) {
diff --git a/drivers/staging/media/atomisp/pci/runtime/queue/src/queue.c b/drivers/staging/media/atomisp/pci/runtime/queue/src/queue.c
index 2f1c2df59f71..c4d4062206a2 100644
--- a/drivers/staging/media/atomisp/pci/runtime/queue/src/queue.c
+++ b/drivers/staging/media/atomisp/pci/runtime/queue/src/queue.c
@@ -81,7 +81,7 @@ int ia_css_queue_uninit(ia_css_queue_t *qhandle)
 
 int ia_css_queue_enqueue(ia_css_queue_t *qhandle, uint32_t item)
 {
-	int error = 0;
+	int error;
 
 	if (!qhandle)
 		return -EINVAL;
@@ -138,7 +138,7 @@ int ia_css_queue_enqueue(ia_css_queue_t *qhandle, uint32_t item)
 
 int ia_css_queue_dequeue(ia_css_queue_t *qhandle, uint32_t *item)
 {
-	int error = 0;
+	int error;
 
 	if (!qhandle || NULL == item)
 		return -EINVAL;
@@ -193,7 +193,7 @@ int ia_css_queue_dequeue(ia_css_queue_t *qhandle, uint32_t *item)
 
 int ia_css_queue_is_full(ia_css_queue_t *qhandle, bool *is_full)
 {
-	int error = 0;
+	int error;
 
 	if ((!qhandle) || (!is_full))
 		return -EINVAL;
@@ -225,7 +225,7 @@ int ia_css_queue_is_full(ia_css_queue_t *qhandle, bool *is_full)
 
 int ia_css_queue_get_free_space(ia_css_queue_t *qhandle, uint32_t *size)
 {
-	int error = 0;
+	int error;
 
 	if ((!qhandle) || (!size))
 		return -EINVAL;
@@ -257,7 +257,7 @@ int ia_css_queue_get_free_space(ia_css_queue_t *qhandle, uint32_t *size)
 
 int ia_css_queue_get_used_space(ia_css_queue_t *qhandle, uint32_t *size)
 {
-	int error = 0;
+	int error;
 
 	if ((!qhandle) || (!size))
 		return -EINVAL;
@@ -289,8 +289,8 @@ int ia_css_queue_get_used_space(ia_css_queue_t *qhandle, uint32_t *size)
 
 int ia_css_queue_peek(ia_css_queue_t *qhandle, u32 offset, uint32_t *element)
 {
-	u32 num_elems = 0;
-	int error = 0;
+	u32 num_elems;
+	int error;
 
 	if ((!qhandle) || (!element))
 		return -EINVAL;
@@ -338,7 +338,7 @@ int ia_css_queue_peek(ia_css_queue_t *qhandle, u32 offset, uint32_t *element)
 
 int ia_css_queue_is_empty(ia_css_queue_t *qhandle, bool *is_empty)
 {
-	int error = 0;
+	int error;
 
 	if ((!qhandle) || (!is_empty))
 		return -EINVAL;
@@ -370,7 +370,7 @@ int ia_css_queue_is_empty(ia_css_queue_t *qhandle, bool *is_empty)
 
 int ia_css_queue_get_size(ia_css_queue_t *qhandle, uint32_t *size)
 {
-	int error = 0;
+	int error;
 
 	if ((!qhandle) || (!size))
 		return -EINVAL;
-- 
2.39.2