media: staging: atomisp: cleanup out of memory messages

Logging of explicit out of memory messages is redundant since memory allocation
failures produce a backtrace.

Done with the help of the following cocci script:

@@
expression ex, ret;
statement s;
constant char[] c;
constant err;
identifier f, l;
@@

ex =
\(kmalloc\|kmalloc_array\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\|devm_kzalloc\)(...)
... when != ex

if (
(
!ex
|
unlikely(!ex)
)
)
- {
- f(..., c, ...);
(
return ex;
|
return;
|
return err;
|
goto l;
)
- }
else s
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/atomisp/i2c/atomisp-ap1302.c

@@ -1153,10 +1153,8 @@ static int ap1302_probe(struct i2c_client *client,
 
 	/* allocate device & init sub device */
 	dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "%s: out of memory\n", __func__);
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/atomisp-gc0310.c

@@ -1385,10 +1385,8 @@ static int gc0310_probe(struct i2c_client *client,
 
 	pr_info("%s S\n", __func__);
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/atomisp-gc2235.c

@@ -1123,10 +1123,8 @@ static int gc2235_probe(struct i2c_client *client,
 	unsigned int i;
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/atomisp-lm3554.c

@@ -871,10 +871,8 @@ static int lm3554_probe(struct i2c_client *client,
 	int ret;
 
 	flash = kzalloc(sizeof(*flash), GFP_KERNEL);
-	if (!flash) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!flash)
 		return -ENOMEM;
-	}
 
 	flash->pdata = client->dev.platform_data;
 

drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c

@@ -1863,10 +1863,8 @@ static int mt9m114_probe(struct i2c_client *client,
 
 	/* Setup sensor configuration structure */
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	v4l2_i2c_subdev_init(&dev->sd, client, &mt9m114_ops);
 	pdata = client->dev.platform_data;

drivers/staging/media/atomisp/i2c/atomisp-ov2680.c

@@ -1447,10 +1447,8 @@ static int ov2680_probe(struct i2c_client *client,
 	unsigned int i;
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/atomisp-ov2722.c

@@ -1285,10 +1285,8 @@ static int ov2722_probe(struct i2c_client *client,
 	struct acpi_device *adev;
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/imx/imx.c

@@ -2364,10 +2364,8 @@ static int imx_probe(struct i2c_client *client,
 
 	/* allocate sensor device & init sub device */
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		v4l2_err(client, "%s: out of memory\n", __func__);
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c

@@ -1958,10 +1958,8 @@ static int ov5693_probe(struct i2c_client *client,
 	}
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "out of memory\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/i2c/ov8858.c

@@ -480,8 +480,6 @@ static int ov8858_priv_int_data_init(struct v4l2_subdev *sd)
 	if (!dev->otp_data) {
 		dev->otp_data = devm_kzalloc(&client->dev, size, GFP_KERNEL);
 		if (!dev->otp_data) {
-			dev_err(&client->dev, "%s: can't allocate memory",
-				__func__);
 			r = -ENOMEM;
 			goto error3;
 		}
@@ -2094,10 +2092,8 @@ static int ov8858_probe(struct i2c_client *client,
 
 	/* allocate sensor device & init sub device */
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_err(&client->dev, "%s: out of memory\n", __func__);
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	mutex_init(&dev->input_lock);
 

drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c

@@ -1137,10 +1137,8 @@ static int remove_pad_from_frame(struct atomisp_device *isp,
 	ia_css_ptr store = load;
 
 	buffer = kmalloc(width*sizeof(load), GFP_KERNEL);
-	if (!buffer) {
-		dev_err(isp->dev, "out of memory.\n");
+	if (!buffer)
 		return -ENOMEM;
-	}
 
 	load += ISP_LEFT_PAD;
 	for (i = 0; i < height; i++) {

drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c

@@ -942,10 +942,8 @@ int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
 		dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
 		while (count--) {
 			s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
-			if (!s3a_buf) {
-				dev_err(isp->dev, "s3a stat buf alloc failed\n");
+			if (!s3a_buf)
 				goto error;
-			}
 
 			if (atomisp_css_allocate_stat_buffers(
 					asd, stream_id, s3a_buf, NULL, NULL)) {
@@ -964,7 +962,6 @@ int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
 		while (count--) {
 			dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
 			if (!dis_buf) {
-				dev_err(isp->dev, "dis stat buf alloc failed\n");
 				kfree(s3a_buf);
 				goto error;
 			}
@@ -989,10 +986,8 @@ int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
 			while (count--) {
 				md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
 						 GFP_KERNEL);
-				if (!md_buf) {
-					dev_err(isp->dev, "metadata buf alloc failed\n");
+				if (!md_buf)
 					goto error;
-				}
 
 				if (atomisp_css_allocate_stat_buffers(
 						asd, stream_id, NULL, NULL, md_buf)) {

drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_param_shading.c

@@ -365,10 +365,8 @@ ia_css_shading_table_alloc(
 	IA_CSS_ENTER("");
 
 	me = kmalloc(sizeof(*me), GFP_KERNEL);
-	if (!me) {
-		IA_CSS_ERROR("out of memory");
+	if (!me)
 		return me;
-	}
 
 	me->width         = width;
 	me->height        = height;

drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c

@@ -727,10 +727,8 @@ static int alloc_private_pages(struct hmm_buffer_object *bo,
 
 	bo->page_obj = kmalloc(sizeof(struct hmm_page_object) * pgnr,
 				GFP_KERNEL);
-	if (unlikely(!bo->page_obj)) {
-		dev_err(atomisp_dev, "out of memory for bo->page_obj\n");
+	if (unlikely(!bo->page_obj))
 		return -ENOMEM;
-	}
 
 	i = 0;
 	alloc_pgnr = 0;
@@ -991,15 +989,12 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
 	struct page **pages;
 
 	pages = kmalloc(sizeof(struct page *) * bo->pgnr, GFP_KERNEL);
-	if (unlikely(!pages)) {
-		dev_err(atomisp_dev, "out of memory for pages...\n");
+	if (unlikely(!pages))
 		return -ENOMEM;
-	}
 
 	bo->page_obj = kmalloc(sizeof(struct hmm_page_object) * bo->pgnr,
 		GFP_KERNEL);
 	if (unlikely(!bo->page_obj)) {
-		dev_err(atomisp_dev, "out of memory for bo->page_obj...\n");
 		kfree(pages);
 		return -ENOMEM;
 	}
@@ -1362,7 +1357,6 @@ void *hmm_bo_vmap(struct hmm_buffer_object *bo, bool cached)
 	pages = kmalloc(sizeof(*pages) * bo->pgnr, GFP_KERNEL);
 	if (unlikely(!pages)) {
 		mutex_unlock(&bo->mutex);
-		dev_err(atomisp_dev, "out of memory for pages...\n");
 		return NULL;
 	}
 

drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_dynamic_pool.c

@@ -116,8 +116,6 @@ static void free_pages_to_dynamic_pool(void *pool,
 	hmm_page = kmem_cache_zalloc(dypool_info->pgptr_cache,
 						GFP_KERNEL);
 	if (!hmm_page) {
-		dev_err(atomisp_dev, "out of memory for hmm_page.\n");
-
 		/* free page directly */
 		ret = set_pages_wb(page_obj->page, 1);
 		if (ret)
@@ -151,10 +149,8 @@ static int hmm_dynamic_pool_init(void **pool, unsigned int pool_size)
 
 	dypool_info = kmalloc(sizeof(struct hmm_dynamic_pool_info),
 		GFP_KERNEL);
-	if (unlikely(!dypool_info)) {
-		dev_err(atomisp_dev, "out of memory for repool_info.\n");
+	if (unlikely(!dypool_info))
 		return -ENOMEM;
-	}
 
 	dypool_info->pgptr_cache = kmem_cache_create("pgptr_cache",
 						sizeof(struct hmm_page), 0,

drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_reserved_pool.c

@@ -92,15 +92,12 @@ static int hmm_reserved_pool_setup(struct hmm_reserved_pool_info **repool_info,
 
 	pool_info = kmalloc(sizeof(struct hmm_reserved_pool_info),
 				GFP_KERNEL);
-	if (unlikely(!pool_info)) {
-		dev_err(atomisp_dev, "out of memory for repool_info.\n");
+	if (unlikely(!pool_info))
 		return -ENOMEM;
-	}
 
 	pool_info->pages = kmalloc(sizeof(struct page *) * pool_size,
 			GFP_KERNEL);
 	if (unlikely(!pool_info->pages)) {
-		dev_err(atomisp_dev, "out of memory for repool_info->pages.\n");
 		kfree(pool_info);
 		return -ENOMEM;
 	}

drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_vm.c

@@ -89,10 +89,8 @@ static struct hmm_vm_node *alloc_hmm_vm_node(unsigned int pgnr,
 	struct hmm_vm_node *node;
 
 	node = kmem_cache_alloc(vm->cache, GFP_KERNEL);
-	if (!node) {
-		dev_err(atomisp_dev, "out of memory.\n");
+	if (!node)
 		return NULL;
-	}
 
 	INIT_LIST_HEAD(&node->list);
 	node->pgnr = pgnr;

drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c

@@ -785,10 +785,8 @@ int camera_sensor_csi(struct v4l2_subdev *sd, u32 port,
 
 	if (flag) {
 		csi = kzalloc(sizeof(*csi), GFP_KERNEL);
-		if (!csi) {
-			dev_err(&client->dev, "out of memory\n");
+		if (!csi)
 			return -ENOMEM;
-		}
 		csi->port = port;
 		csi->num_lanes = lanes;
 		csi->input_format = format;