[PATCH] nouveau: no need to check return value of debugfs_create functions

Greg Kroah-Hartman gregkh at linuxfoundation.org
Sun Feb 9 10:55:25 UTC 2020


When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: dri-devel at lists.freedesktop.org
Cc: nouveau at lists.freedesktop.org
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/gpu/drm/nouveau/nouveau_debugfs.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 080e964d49aa..d1c82fc45a68 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -224,14 +224,10 @@ nouveau_drm_debugfs_init(struct drm_minor *minor)
 	struct dentry *dentry;
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) {
-		dentry = debugfs_create_file(nouveau_debugfs_files[i].name,
-					     S_IRUGO | S_IWUSR,
-					     minor->debugfs_root, minor->dev,
-					     nouveau_debugfs_files[i].fops);
-		if (!dentry)
-			return -ENOMEM;
-	}
+	for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++)
+		debugfs_create_file(nouveau_debugfs_files[i].name,
+				    S_IRUGO | S_IWUSR, minor->debugfs_root,
+				    minor->dev, nouveau_debugfs_files[i].fops);
 
 	drm_debugfs_create_files(nouveau_debugfs_list,
 				 NOUVEAU_DEBUGFS_ENTRIES,
-- 
2.25.0



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