diff mbox series

vc4: no need to check return value of debugfs_create functions

Message ID 20190613114548.GC13119@kroah.com (mailing list archive)
State New, archived
Headers show
Series vc4: no need to check return value of debugfs_create functions | expand

Commit Message

Greg KH June 13, 2019, 11:45 a.m. UTC
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: Eric Anholt <eric@anholt.net>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/vc4/vc4_debugfs.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Eric Anholt June 14, 2019, 11:45 p.m. UTC | #1
Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes:

> 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.

Applied to drm-misc-next.  Thanks!
diff mbox series

Patch

diff --git a/drivers/gpu/drm/vc4/vc4_debugfs.c b/drivers/gpu/drm/vc4/vc4_debugfs.c
index f9dec08267dc..f9b46911fa50 100644
--- a/drivers/gpu/drm/vc4/vc4_debugfs.c
+++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
@@ -29,13 +29,9 @@  vc4_debugfs_init(struct drm_minor *minor)
 {
 	struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
 	struct vc4_debugfs_info_entry *entry;
-	struct dentry *dentry;
 
-	dentry = debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
-				     minor->debugfs_root,
-				     &vc4->load_tracker_enabled);
-	if (!dentry)
-		return -ENOMEM;
+	debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
+			    minor->debugfs_root, &vc4->load_tracker_enabled);
 
 	list_for_each_entry(entry, &vc4->debugfs_list, link) {
 		int ret = drm_debugfs_create_files(&entry->info, 1,