[PATCH 1/2] drm/tilcdc: Delete an error message for a failed memory allocation in seven functions

From: SF Markus Elfring
Date: Tue Feb 06 2018 - 16:23:39 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxx>
---
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;
--
2.16.1