From c1545de9b7073f17604736a1c520461e2d9e66bc Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 20 Aug 2013 17:11:26 +0900 Subject: [PATCH] drm/exynos: Remove redundant error messages Signed-off-by: Sachin Kamat Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_buf.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_connector.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 1 - drivers/gpu/drm/exynos/exynos_drm_drv.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_fb.c | 8 ++------ drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_fimc.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_g2d.c | 15 +++------------ drivers/gpu/drm/exynos/exynos_drm_gem.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_ipp.c | 22 +++++----------------- drivers/gpu/drm/exynos/exynos_drm_plane.c | 4 +--- drivers/gpu/drm/exynos/exynos_drm_rotator.c | 8 ++------ drivers/gpu/drm/exynos/exynos_hdmi.c | 16 ++++------------ drivers/gpu/drm/exynos/exynos_mixer.c | 8 ++------ 19 files changed, 30 insertions(+), 96 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index 57affae..cd3c49c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -155,10 +155,8 @@ struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev, DRM_DEBUG_KMS("desired size = 0x%x\n", size); buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); - if (!buffer) { - DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); + if (!buffer) return NULL; - } buffer->size = size; return buffer; diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 902e0be..f729f16 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -326,10 +326,8 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, DRM_DEBUG_KMS("%s\n", __FILE__); exynos_connector = kzalloc(sizeof(*exynos_connector), GFP_KERNEL); - if (!exynos_connector) { - DRM_ERROR("failed to allocate connector\n"); + if (!exynos_connector) return NULL; - } connector = &exynos_connector->drm_connector; diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 9bafae7..1de357a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -347,10 +347,8 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) DRM_DEBUG_KMS("%s\n", __FILE__); exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); - if (!exynos_crtc) { - DRM_ERROR("failed to allocate exynos crtc\n"); + if (!exynos_crtc) return -ENOMEM; - } exynos_crtc->pipe = nr; exynos_crtc->dpms = DRM_MODE_DPMS_OFF; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 0fe74e1..4b750ce 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -290,7 +290,6 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); if (!buffer) { - DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); ret = -ENOMEM; goto err_unmap_attach; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index ba6d995..1a07ff6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -49,10 +49,8 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) DRM_DEBUG_DRIVER("%s\n", __FILE__); private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); - if (!private) { - DRM_ERROR("failed to allocate private\n"); + if (!private) return -ENOMEM; - } INIT_LIST_HEAD(&private->pageflip_event_list); dev->dev_private = (void *)private; diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index c63721f..4296d8f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -338,10 +338,8 @@ exynos_drm_encoder_create(struct drm_device *dev, return NULL; exynos_encoder = kzalloc(sizeof(*exynos_encoder), GFP_KERNEL); - if (!exynos_encoder) { - DRM_ERROR("failed to allocate encoder\n"); + if (!exynos_encoder) return NULL; - } exynos_encoder->dpms = DRM_MODE_DPMS_OFF; exynos_encoder->manager = manager; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 0e04f4e..e2a1a1f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -162,10 +162,8 @@ exynos_drm_framebuffer_init(struct drm_device *dev, } exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL); - if (!exynos_fb) { - DRM_ERROR("failed to allocate exynos drm framebuffer\n"); + if (!exynos_fb) return ERR_PTR(-ENOMEM); - } drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd); exynos_fb->exynos_gem_obj[0] = exynos_gem_obj; @@ -228,10 +226,8 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, DRM_DEBUG_KMS("%s\n", __FILE__); exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL); - if (!exynos_fb) { - DRM_ERROR("failed to allocate exynos drm framebuffer\n"); + if (!exynos_fb) return ERR_PTR(-ENOMEM); - } obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (!obj) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 45b6cb3..d677aee 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -245,10 +245,8 @@ int exynos_drm_fbdev_init(struct drm_device *dev) return 0; fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); - if (!fbdev) { - DRM_ERROR("failed to allocate drm fbdev.\n"); + if (!fbdev) return -ENOMEM; - } private->fb_helper = helper = &fbdev->drm_fb_helper; helper->funcs = &exynos_drm_fb_helper_funcs; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index fc62c81..4efe9a7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1361,10 +1361,8 @@ static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv) DRM_DEBUG_KMS("%s\n", __func__); prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->writeback = 1; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 0e602e3..304c3cbf 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -920,10 +920,8 @@ static int fimd_probe(struct platform_device *pdev) display_np = dev->of_node; pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - DRM_ERROR("memory allocation for pdata failed\n"); + if (!pdata) return -ENOMEM; - } ret = of_get_fb_videomode(display_np, &pdata->panel.timing, OF_USE_NATIVE_MODE); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 222950d..1eb2a2a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -450,10 +450,8 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, } g2d_userptr = kzalloc(sizeof(*g2d_userptr), GFP_KERNEL); - if (!g2d_userptr) { - DRM_ERROR("failed to allocate g2d_userptr.\n"); + if (!g2d_userptr) return ERR_PTR(-ENOMEM); - } atomic_set(&g2d_userptr->refcount, 1); @@ -503,7 +501,6 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); if (!sgt) { - DRM_ERROR("failed to allocate sg table.\n"); ret = -ENOMEM; goto err_free_userptr; } @@ -1091,8 +1088,6 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, e = kzalloc(sizeof(*node->event), GFP_KERNEL); if (!e) { - dev_err(dev, "failed to allocate event\n"); - spin_lock_irqsave(&drm_dev->event_lock, flags); file->event_space += sizeof(e->event); spin_unlock_irqrestore(&drm_dev->event_lock, flags); @@ -1322,10 +1317,8 @@ static int g2d_open(struct drm_device *drm_dev, struct device *dev, struct exynos_drm_g2d_private *g2d_priv; g2d_priv = kzalloc(sizeof(*g2d_priv), GFP_KERNEL); - if (!g2d_priv) { - dev_err(dev, "failed to allocate g2d private data\n"); + if (!g2d_priv) return -ENOMEM; - } g2d_priv->dev = dev; file_priv->g2d_priv = g2d_priv; @@ -1381,10 +1374,8 @@ static int g2d_probe(struct platform_device *pdev) int ret; g2d = devm_kzalloc(dev, sizeof(*g2d), GFP_KERNEL); - if (!g2d) { - dev_err(dev, "failed to allocate driver data\n"); + if (!g2d) return -ENOMEM; - } g2d->runqueue_slab = kmem_cache_create("g2d_runqueue_slab", sizeof(struct g2d_runqueue_node), 0, 0, NULL); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index cf4543f..8633ba4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -193,10 +193,8 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, int ret; exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL); - if (!exynos_gem_obj) { - DRM_ERROR("failed to allocate exynos gem object\n"); + if (!exynos_gem_obj) return NULL; - } exynos_gem_obj->size = size; obj = &exynos_gem_obj->base; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 862a55b..b9ec6d7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1353,10 +1353,8 @@ static int gsc_init_prop_list(struct exynos_drm_ippdrv *ippdrv) DRM_DEBUG_KMS("%s\n", __func__); prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->writeback = 1; diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index d0bca57..81b860c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -442,10 +442,8 @@ static int exynos_drm_hdmi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) { - DRM_LOG_KMS("failed to alloc common hdmi context.\n"); + if (!ctx) return -ENOMEM; - } subdrv = &ctx->subdrv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index df1e8748..1b3b59c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -420,10 +420,8 @@ static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void) DRM_DEBUG_KMS("%s\n", __func__); cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL); - if (!cmd_work) { - DRM_ERROR("failed to alloc cmd_work.\n"); + if (!cmd_work) return ERR_PTR(-ENOMEM); - } INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd); @@ -437,10 +435,8 @@ static struct drm_exynos_ipp_event_work *ipp_create_event_work(void) DRM_DEBUG_KMS("%s\n", __func__); event_work = kzalloc(sizeof(*event_work), GFP_KERNEL); - if (!event_work) { - DRM_ERROR("failed to alloc event_work.\n"); + if (!event_work) return ERR_PTR(-ENOMEM); - } INIT_WORK((struct work_struct *)event_work, ipp_sched_event); @@ -498,10 +494,8 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, /* allocate command node */ c_node = kzalloc(sizeof(*c_node), GFP_KERNEL); - if (!c_node) { - DRM_ERROR("failed to allocate map node.\n"); + if (!c_node) return -ENOMEM; - } /* create property id */ ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node, @@ -718,10 +712,8 @@ static struct drm_exynos_ipp_mem_node mutex_lock(&c_node->mem_lock); m_node = kzalloc(sizeof(*m_node), GFP_KERNEL); - if (!m_node) { - DRM_ERROR("failed to allocate queue node.\n"); + if (!m_node) goto err_unlock; - } /* clear base address for error handling */ memset(&buf_info, 0x0, sizeof(buf_info)); @@ -827,9 +819,7 @@ static int ipp_get_event(struct drm_device *drm_dev, qbuf->ops_id, qbuf->buf_id); e = kzalloc(sizeof(*e), GFP_KERNEL); - if (!e) { - DRM_ERROR("failed to allocate event.\n"); spin_lock_irqsave(&drm_dev->event_lock, flags); file->event_space += sizeof(e->event); spin_unlock_irqrestore(&drm_dev->event_lock, flags); @@ -1836,10 +1826,8 @@ static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, DRM_DEBUG_KMS("%s\n", __func__); priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - DRM_ERROR("failed to allocate priv.\n"); + if (!priv) return -ENOMEM; - } priv->dev = dev; file_priv->ipp_priv = priv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 63ebeeb..55f8d97 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -281,10 +281,8 @@ struct drm_plane *exynos_plane_init(struct drm_device *dev, DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL); - if (!exynos_plane) { - DRM_ERROR("failed to allocate plane\n"); + if (!exynos_plane) return NULL; - } err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs, &exynos_plane_funcs, formats, ARRAY_SIZE(formats), diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index f7ee022..97b60df 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -474,10 +474,8 @@ static int rotator_init_prop_list(struct exynos_drm_ippdrv *ippdrv) DRM_DEBUG_KMS("%s\n", __func__); prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); - if (!prop_list) { - DRM_ERROR("failed to alloc property list.\n"); + if (!prop_list) return -ENOMEM; - } prop_list->version = 1; prop_list->flip = (1 << EXYNOS_DRM_FLIP_VERTICAL) | @@ -717,10 +715,8 @@ static int rotator_probe(struct platform_device *pdev) } rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL); - if (!rot) { - dev_err(dev, "failed to allocate rot\n"); + if (!rot) return -ENOMEM; - } ret = rotator_parse_dt(dev, rot); if (ret) { diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 3f5460e..299bf6e 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1836,10 +1836,8 @@ static int hdmi_resources_init(struct hdmi_context *hdata) res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * sizeof(res->regul_bulk[0]), GFP_KERNEL); - if (!res->regul_bulk) { - DRM_ERROR("failed to get memory for regulators\n"); + if (!res->regul_bulk) goto fail; - } for (i = 0; i < ARRAY_SIZE(supply); ++i) { res->regul_bulk[i].supply = supply[i]; res->regul_bulk[i].consumer = NULL; @@ -1881,10 +1879,8 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata u32 value; pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); - if (!pd) { - DRM_ERROR("memory allocation for pdata failed\n"); + if (!pd) goto err_data; - } if (!of_find_property(np, "hpd-gpio", &value)) { DRM_ERROR("no hpd gpio property found\n"); @@ -1963,17 +1959,13 @@ static int hdmi_probe(struct platform_device *pdev) drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); - if (!drm_hdmi_ctx) { - DRM_ERROR("failed to allocate common hdmi context.\n"); + if (!drm_hdmi_ctx) return -ENOMEM; - } hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); - if (!hdata) { - DRM_ERROR("out of memory\n"); + if (!hdata) return -ENOMEM; - } mutex_init(&hdata->hdmi_mutex); diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 9cf165e..7bd57b5 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1171,16 +1171,12 @@ static int mixer_probe(struct platform_device *pdev) drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL); - if (!drm_hdmi_ctx) { - DRM_ERROR("failed to allocate common hdmi context.\n"); + if (!drm_hdmi_ctx) return -ENOMEM; - } ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) { - DRM_ERROR("failed to alloc mixer context.\n"); + if (!ctx) return -ENOMEM; - } mutex_init(&ctx->mixer_mutex); -- 2.7.4