On Thu, Jul 15, 2021 at 09:14:03AM +0800, Jia He wrote: > Kernel doc validator complains: > Function parameter or member 'p' not described in 'prepend_name' > Excess function parameter 'buffer' description in 'prepend_name' Yup! Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Fixes: ad08ae586586 ("d_path: introduce struct prepend_buffer") > Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Jia He <justin.he@xxxxxxx> > --- > fs/d_path.c | 8 +++----- > 1 file changed, 3 insertions(+), 5 deletions(-) > > diff --git a/fs/d_path.c b/fs/d_path.c > index 23a53f7b5c71..4eb31f86ca88 100644 > --- a/fs/d_path.c > +++ b/fs/d_path.c > @@ -33,9 +33,8 @@ static void prepend(struct prepend_buffer *p, const char *str, int namelen) > > /** > * prepend_name - prepend a pathname in front of current buffer pointer > - * @buffer: buffer pointer > - * @buflen: allocated length of the buffer > - * @name: name string and length qstr structure > + * @p: prepend buffer which contains buffer pointer and allocated length > + * @name: name string and length qstr structure > * > * With RCU path tracing, it may race with d_move(). Use READ_ONCE() to > * make sure that either the old or the new name pointer and length are > @@ -108,8 +107,7 @@ static int __prepend_path(const struct dentry *dentry, const struct mount *mnt, > * prepend_path - Prepend path string to a buffer > * @path: the dentry/vfsmount to report > * @root: root vfsmnt/dentry > - * @buffer: pointer to the end of the buffer > - * @buflen: pointer to buffer length > + * @p: prepend buffer which contains buffer pointer and allocated length > * > * The function will first try to write out the pathname without taking any > * lock other than the RCU read lock to make sure that dentries won't go away. > -- > 2.17.1 > -- With Best Regards, Andy Shevchenko