From 662aa6d7632cab054277bafda67d13d9a8a81929 Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Fri, 7 Dec 2012 18:06:43 +0900 Subject: drm/exynos: add exception codes to exynos_drm_fbdev_create() This patch releases allocated resources correctly. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index a2232792e0c0..885ef235d59c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -164,7 +164,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, exynos_gem_obj = exynos_drm_gem_create(dev, 0, size); if (IS_ERR(exynos_gem_obj)) { ret = PTR_ERR(exynos_gem_obj); - goto out; + goto err_release_framebuffer; } exynos_fbdev->exynos_gem_obj = exynos_gem_obj; @@ -174,7 +174,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, if (IS_ERR_OR_NULL(helper->fb)) { DRM_ERROR("failed to create drm framebuffer.\n"); ret = PTR_ERR(helper->fb); - goto out; + goto err_destroy_gem; } helper->fbdev = fbi; @@ -186,14 +186,24 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, ret = fb_alloc_cmap(&fbi->cmap, 256, 0); if (ret) { DRM_ERROR("failed to allocate cmap.\n"); - goto out; + goto err_destroy_framebuffer; } ret = exynos_drm_fbdev_update(helper, helper->fb); - if (ret < 0) { - fb_dealloc_cmap(&fbi->cmap); - goto out; - } + if (ret < 0) + goto err_dealloc_cmap; + + mutex_unlock(&dev->struct_mutex); + return ret; + +err_dealloc_cmap: + fb_dealloc_cmap(&fbi->cmap); +err_destroy_framebuffer: + drm_framebuffer_cleanup(helper->fb); +err_destroy_gem: + exynos_drm_gem_destroy(exynos_gem_obj); +err_release_framebuffer: + framebuffer_release(fbi); /* * if failed, all resources allocated above would be released by -- cgit v1.2.3