linux-kernel - [PATCH] drm/tilcdc: remove check for return value of debugfs functions.

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Date:   Tue, 18 Feb 2020 18:55:34 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     jsarha@...com, tomi.valkeinen@...com, airlied@...ux.ie,
        daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: [PATCH] drm/tilcdc: remove check for return value of debugfs functions.

Remove the check and error handling of the return value of
drm_debugfs_create_files as it is not needed in tilcdc_debugfs_init.
Also remove local variables that are not used after the changes.

Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_drv.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 0791a0200cc3..3f7071eb9c78 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -480,24 +480,17 @@ static struct drm_info_list tilcdc_debugfs_list[] = {
 
 static int tilcdc_debugfs_init(struct drm_minor *minor)
 {
-	struct drm_device *dev = minor->dev;
 	struct tilcdc_module *mod;
-	int ret;
 
-	ret = drm_debugfs_create_files(tilcdc_debugfs_list,
-			ARRAY_SIZE(tilcdc_debugfs_list),
-			minor->debugfs_root, minor);
+	drm_debugfs_create_files(tilcdc_debugfs_list,
+				 ARRAY_SIZE(tilcdc_debugfs_list),
+				 minor->debugfs_root, minor);
 
 	list_for_each_entry(mod, &module_list, list)
 		if (mod->funcs->debugfs_init)
 			mod->funcs->debugfs_init(mod, minor);
 
-	if (ret) {
-		dev_err(dev->dev, "could not install tilcdc_debugfs_list\n");
-		return ret;
-	}
-
-	return ret;
+	return 0;
 }
 #endif
 
-- 
2.17.1