On Mon, Feb 17, 2020 at 01:59:49PM +0100, Christoph Hellwig wrote: > The buffer field always points to a strut xfs_attrlist, so use the > proper type. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > fs/xfs/libxfs/xfs_fs.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h > index ae77bcd8c05b..21920f613d42 100644 > --- a/fs/xfs/libxfs/xfs_fs.h > +++ b/fs/xfs/libxfs/xfs_fs.h > @@ -597,7 +597,7 @@ typedef struct xfs_fsop_attrlist_handlereq { > struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ > __u32 flags; /* which namespace to use */ > __u32 buflen; /* length of buffer supplied */ > - void __user *buffer; /* returned names */ > + struct xfs_attrlist __user *buffer;/* returned names */ > } xfs_fsop_attrlist_handlereq_t; This changes the userspace API, right? So, in theory, it could break compilation of userspace applications that treat it as an attrlist_t and don't specifically cast the assignment because it's currently a void pointer? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx