linux-kernel - [PATCH 1/2] drm/debugfs: remove checks for return value of drm

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Message-Id: <20200218172821.18378-3-wambui.karugax@gmail.com>
Date:   Tue, 18 Feb 2020 20:28:14 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: [PATCH 1/2] drm/debugfs: remove checks for return value of drm_debugfs functions.

As there is no need to check the return value of
drm_debugfs_create_files, remove unnecessary checks and error handling
statement blocks.

Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
 drivers/gpu/drm/drm_debugfs.c | 28 +++++-----------------------
 1 file changed, 5 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 4e673d318503..6a2f141b6a38 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -215,35 +215,17 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
 	sprintf(name, "%d", minor_id);
 	minor->debugfs_root = debugfs_create_dir(name, root);
 
-	ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
-				       minor->debugfs_root, minor);
-	if (ret) {
-		debugfs_remove(minor->debugfs_root);
-		minor->debugfs_root = NULL;
-		DRM_ERROR("Failed to create core drm debugfs files\n");
-		return ret;
-	}
+	drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
+				 minor->debugfs_root, minor);
 
 	if (drm_drv_uses_atomic_modeset(dev)) {
-		ret = drm_atomic_debugfs_init(minor);
-		if (ret) {
-			DRM_ERROR("Failed to create atomic debugfs files\n");
-			return ret;
-		}
+		drm_atomic_debugfs_init(minor);
 	}
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-		ret = drm_framebuffer_debugfs_init(minor);
-		if (ret) {
-			DRM_ERROR("Failed to create framebuffer debugfs file\n");
-			return ret;
-		}
+		drm_framebuffer_debugfs_init(minor);
 
-		ret = drm_client_debugfs_init(minor);
-		if (ret) {
-			DRM_ERROR("Failed to create client debugfs file\n");
-			return ret;
-		}
+		drm_client_debugfs_init(minor);
 	}
 
 	if (dev->driver->debugfs_init) {
-- 
2.25.0