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SubjectRe: [PATCH 1/2] drm/tilcdc: Delete an error message for a failed memory allocation in seven functions
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On 06/02/18 23:23, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Tue, 6 Feb 2018 21:51:15 +0100
>
> Omit an extra message for a memory allocation failure in these functions.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Thanks,
picked for the tilcdc next pull request.

Best regards,
Jyri

> ---
> drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 4 +---
> drivers/gpu/drm/tilcdc/tilcdc_drv.c | 4 +---
> drivers/gpu/drm/tilcdc/tilcdc_panel.c | 9 ++-------
> drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 8 ++------
> 4 files changed, 6 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index 8bf6bb93dc79..1b278a22c8b7 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> @@ -994,10 +994,8 @@ int tilcdc_crtc_create(struct drm_device *dev)
> int ret;
>
> tilcdc_crtc = devm_kzalloc(dev->dev, sizeof(*tilcdc_crtc), GFP_KERNEL);
> - if (!tilcdc_crtc) {
> - dev_err(dev->dev, "allocation failed\n");
> + if (!tilcdc_crtc)
> return -ENOMEM;
> - }
>
> init_completion(&tilcdc_crtc->palette_loaded);
> tilcdc_crtc->palette_base = dmam_alloc_coherent(dev->dev,
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> index 1afde61f1247..b8a5e4ed22e6 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
> @@ -233,10 +233,8 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev)
> int ret;
>
> priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> - if (!priv) {
> - dev_err(dev, "failed to allocate private data\n");
> + if (!priv)
> return -ENOMEM;
> - }
>
> ddev = drm_dev_alloc(ddrv, dev);
> if (IS_ERR(ddev))
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> index 8eebb5f826a6..0b6aa95aec89 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> @@ -101,10 +101,8 @@ static struct drm_encoder *panel_encoder_create(struct drm_device *dev,
>
> panel_encoder = devm_kzalloc(dev->dev, sizeof(*panel_encoder),
> GFP_KERNEL);
> - if (!panel_encoder) {
> - dev_err(dev->dev, "allocation failed\n");
> + if (!panel_encoder)
> return NULL;
> - }
>
> panel_encoder->mod = mod;
>
> @@ -210,10 +208,8 @@ static struct drm_connector *panel_connector_create(struct drm_device *dev,
>
> panel_connector = devm_kzalloc(dev->dev, sizeof(*panel_connector),
> GFP_KERNEL);
> - if (!panel_connector) {
> - dev_err(dev->dev, "allocation failed\n");
> + if (!panel_connector)
> return NULL;
> - }
>
> panel_connector->encoder = encoder;
> panel_connector->mod = mod;
> @@ -294,7 +290,6 @@ static struct tilcdc_panel_info *of_get_panel_info(struct device_node *np)
>
> info = kzalloc(sizeof(*info), GFP_KERNEL);
> if (!info) {
> - pr_err("%s: allocation failed\n", __func__);
> of_node_put(info_np);
> return NULL;
> }
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
> index 7e3643462a08..c45cabb38db0 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
> @@ -111,10 +111,8 @@ static struct drm_encoder *tfp410_encoder_create(struct drm_device *dev,
>
> tfp410_encoder = devm_kzalloc(dev->dev, sizeof(*tfp410_encoder),
> GFP_KERNEL);
> - if (!tfp410_encoder) {
> - dev_err(dev->dev, "allocation failed\n");
> + if (!tfp410_encoder)
> return NULL;
> - }
>
> tfp410_encoder->dpms = DRM_MODE_DPMS_OFF;
> tfp410_encoder->mod = mod;
> @@ -224,10 +222,8 @@ static struct drm_connector *tfp410_connector_create(struct drm_device *dev,
>
> tfp410_connector = devm_kzalloc(dev->dev, sizeof(*tfp410_connector),
> GFP_KERNEL);
> - if (!tfp410_connector) {
> - dev_err(dev->dev, "allocation failed\n");
> + if (!tfp410_connector)
> return NULL;
> - }
>
> tfp410_connector->encoder = encoder;
> tfp410_connector->mod = mod;
>


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