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

From: Greg Kroah-Hartman
Date: Tue Jan 22 2019 - 10:26:06 EST


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: Mark Brown <broonie@xxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/base/regmap/regmap-debugfs.c | 12 ------------
1 file changed, 12 deletions(-)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 19eb454f26c3..ce05ae1de630 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -572,14 +572,6 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
}

map->debugfs = debugfs_create_dir(name, regmap_debugfs_root);
- if (!map->debugfs) {
- dev_warn(map->dev,
- "Failed to create %s debugfs directory\n", name);
-
- kfree(map->debugfs_name);
- map->debugfs_name = NULL;
- return;
- }

debugfs_create_file("name", 0400, map->debugfs,
map, &regmap_name_fops);
@@ -656,10 +648,6 @@ void regmap_debugfs_initcall(void)
struct regmap_debugfs_node *node, *tmp;

regmap_debugfs_root = debugfs_create_dir("regmap", NULL);
- if (!regmap_debugfs_root) {
- pr_warn("regmap: Failed to create debugfs root\n");
- return;
- }

mutex_lock(&regmap_debugfs_early_lock);
list_for_each_entry_safe(node, tmp, &regmap_debugfs_early_list, link) {
--
2.20.1