path: root/fs/debugfs
diff options
authorGreg Kroah-Hartman <>2020-04-16 16:54:48 +0200
committerGreg Kroah-Hartman <>2020-04-17 17:08:50 +0200
commit2b07021a940ce1cdec736ec0cacad6af77717afc (patch)
tree047316eb0dd080eefe2c7cad156ecf284683b51c /fs/debugfs
parent739604734bd8e4ad71a6a902473109b2d2904890 (diff)
debugfs: remove return value of debugfs_create_u32()
No one checks the return value of debugfs_create_u32(), as it's not needed, so make the return value void, so that no one tries to do so in the future. Signed-off-by: Greg Kroah-Hartman <> Link: Signed-off-by: Greg Kroah-Hartman <>
Diffstat (limited to 'fs/debugfs')
1 files changed, 3 insertions, 12 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 2d357680094c..ae49a55bda00 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -506,20 +506,11 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_u32_wo, NULL, debugfs_u32_set, "%llu\n");
* This function creates a file in debugfs with the given name that
* contains the value of the variable @value. If the @mode variable is so
* set, it can be read from, and written to.
- *
- * This function will return a pointer to a dentry if it succeeds. This
- * pointer must be passed to the debugfs_remove() function when the file is
- * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here.) If an error occurs, ERR_PTR(-ERROR) will be
- * returned.
- *
- * If debugfs is not enabled in the kernel, the value ERR_PTR(-ENODEV) will
- * be returned.
-struct dentry *debugfs_create_u32(const char *name, umode_t mode,
- struct dentry *parent, u32 *value)
+void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
+ u32 *value)
- return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
+ debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
&fops_u32_ro, &fops_u32_wo);