linux-kernel - [PATCH 04/21] drm/vram-helper: make drm_vram_mm_debugfs

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Message-Id: <20200227120232.19413-5-wambui.karugax@gmail.com>
Date:   Thu, 27 Feb 2020 15:02:15 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     daniel@...ll.ch, airlied@...ux.ie,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 04/21] drm/vram-helper: make drm_vram_mm_debugfs_init() return void

Since 987d65d01356 (drm: debugfs: make
drm_debugfs_create_files() never fail), drm_debugfs_create_files() never
fails and should return void. Therefore, remove its use as the
return value of drm_vram_mm_debugfs_init(), and have the function
declared as void instead.

Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 14 ++++----------
 include/drm/drm_gem_vram_helper.h     |  2 +-
 2 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 92a11bb42365..76506bedac11 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1042,20 +1042,14 @@ static const struct drm_info_list drm_vram_mm_debugfs_list[] = {
  *
  * @minor: drm minor device.
  *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
  */
-int drm_vram_mm_debugfs_init(struct drm_minor *minor)
+void drm_vram_mm_debugfs_init(struct drm_minor *minor)
 {
-	int ret = 0;
-
 #if defined(CONFIG_DEBUG_FS)
-	ret = drm_debugfs_create_files(drm_vram_mm_debugfs_list,
-				       ARRAY_SIZE(drm_vram_mm_debugfs_list),
-				       minor->debugfs_root, minor);
+	drm_debugfs_create_files(drm_vram_mm_debugfs_list,
+				 ARRAY_SIZE(drm_vram_mm_debugfs_list),
+				 minor->debugfs_root, minor);
 #endif
-	return ret;
 }
 EXPORT_SYMBOL(drm_vram_mm_debugfs_init);
 
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 0f6e47213d8d..b63bcd1b996d 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -196,7 +196,7 @@ static inline struct drm_vram_mm *drm_vram_mm_of_bdev(
 	return container_of(bdev, struct drm_vram_mm, bdev);
 }
 
-int drm_vram_mm_debugfs_init(struct drm_minor *minor);
+void drm_vram_mm_debugfs_init(struct drm_minor *minor);
 
 /*
  * Helpers for integration with struct drm_device
-- 
2.25.0