path: root/fs/debugfs
diff options
authorGreg Kroah-Hartman <>2019-10-11 15:29:24 +0200
committerGreg Kroah-Hartman <>2019-10-14 12:18:06 +0200
commit9655ac4aca20d654769b8f0d6a5be34b7ce7bad1 (patch)
tree153b2150b33955d7dc2acae05ef7261363c39be6 /fs/debugfs
parent0c580d83325ea9a126ce6ae2996c4ff97acd2e40 (diff)
debugfs: remove return value of debugfs_create_u8()
No one checks the return value of debugfs_create_u8(), 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 87846aad594b..2d5d9a0a6f57 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -420,20 +420,11 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_u8_wo, NULL, debugfs_u8_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_u8(const char *name, umode_t mode,
- struct dentry *parent, u8 *value)
+void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
+ u8 *value)
- return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u8,
+ debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u8,
&fops_u8_ro, &fops_u8_wo);