From a9b0b24a6fff2d269eb966d7e4eca498bf9f0bba Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Wed, 15 Apr 2020 09:40:01 +0200 Subject: [PATCH] drm/qxl: Use devm_drm_dev_alloc Also need to remove the drm_dev_put from the remove hook. Acked-by: Gerd Hoffmann Acked-by: Sam Ravnborg Signed-off-by: Daniel Vetter Cc: Dave Airlie Cc: Gerd Hoffmann Cc: virtualization@lists.linux-foundation.org Cc: spice-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-27-daniel.vetter@ffwll.ch --- drivers/gpu/drm/qxl/qxl_drv.c | 15 ++++++++------- drivers/gpu/drm/qxl/qxl_drv.h | 3 +-- drivers/gpu/drm/qxl/qxl_kms.c | 12 +----------- 3 files changed, 10 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 09102e2efabc..6b4ae4c5fb76 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -81,13 +81,16 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return -EINVAL; /* TODO: ENODEV ? */ } - qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL); - if (!qdev) + qdev = devm_drm_dev_alloc(&pdev->dev, &qxl_driver, + struct qxl_device, ddev); + if (IS_ERR(qdev)) { + pr_err("Unable to init drm dev"); return -ENOMEM; + } ret = pci_enable_device(pdev); if (ret) - goto free_dev; + return ret; ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "qxl"); if (ret) @@ -101,7 +104,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } - ret = qxl_device_init(qdev, &qxl_driver, pdev); + ret = qxl_device_init(qdev, pdev); if (ret) goto put_vga; @@ -128,8 +131,7 @@ put_vga: vga_put(pdev, VGA_RSRC_LEGACY_IO); disable_pci: pci_disable_device(pdev); -free_dev: - kfree(qdev); + return ret; } @@ -155,7 +157,6 @@ qxl_pci_remove(struct pci_dev *pdev) drm_atomic_helper_shutdown(dev); if (is_vga(pdev)) vga_put(pdev, VGA_RSRC_LEGACY_IO); - drm_dev_put(dev); } DEFINE_DRM_GEM_FOPS(qxl_fops); diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 435126facc9b..86ac191d9205 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -276,8 +276,7 @@ struct qxl_device { extern const struct drm_ioctl_desc qxl_ioctls[]; extern int qxl_max_ioctl; -int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv, - struct pci_dev *pdev); +int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev); void qxl_device_fini(struct qxl_device *qdev); int qxl_modeset_init(struct qxl_device *qdev); diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index 9eed1a375f24..91a34dd835d7 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -108,21 +108,13 @@ static void qxl_gc_work(struct work_struct *work) } int qxl_device_init(struct qxl_device *qdev, - struct drm_driver *drv, struct pci_dev *pdev) { int r, sb; - r = drm_dev_init(&qdev->ddev, drv, &pdev->dev); - if (r) { - pr_err("Unable to init drm dev"); - goto error; - } - qdev->ddev.pdev = pdev; pci_set_drvdata(pdev, &qdev->ddev); qdev->ddev.dev_private = qdev; - drmm_add_final_kfree(&qdev->ddev, qdev); mutex_init(&qdev->gem.mutex); mutex_init(&qdev->update_area_mutex); @@ -138,8 +130,7 @@ int qxl_device_init(struct qxl_device *qdev, qdev->vram_mapping = io_mapping_create_wc(qdev->vram_base, pci_resource_len(pdev, 0)); if (!qdev->vram_mapping) { pr_err("Unable to create vram_mapping"); - r = -ENOMEM; - goto error; + return -ENOMEM; } if (pci_resource_len(pdev, 4) > 0) { @@ -293,7 +284,6 @@ surface_mapping_free: io_mapping_free(qdev->surface_mapping); vram_mapping_free: io_mapping_free(qdev->vram_mapping); -error: return r; } -- 2.11.0