linux-kernel - [PATCH v2 10/17] drm/vram-helper: make drm_vram_mm_debugfs

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Message-Id: <20200310133121.27913-11-wambui.karugax@gmail.com>
Date:   Tue, 10 Mar 2020 16:31:14 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     airlied@...ux.ie, daniel@...ll.ch,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: [PATCH v2 10/17] drm/vram-helper: make drm_vram_mm_debugfs_init() return 0

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
return 0 directly.

v2: have drm_vram_mm_debugfs_init() return 0 instead of void to avoid
introducing build issues and build breakage.

References: https://lists.freedesktop.org/archives/dri-devel/2020-February/257183.html
Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 92a11bb42365..c8bcc8609650 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1048,14 +1048,12 @@ static const struct drm_info_list drm_vram_mm_debugfs_list[] = {
  */
 int 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;
+	return 0;
 }
 EXPORT_SYMBOL(drm_vram_mm_debugfs_init);
 
-- 
2.25.1