On Thu, 10 Nov 2022 at 15:14, Heinrich Schuchardt <heinrich.schucha...@canonical.com> wrote: > > Provide a description of the function's logic. > > Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com> > --- > lib/efi_loader/efi_file.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c > index c96a7f7ca3..ae0ca6101b 100644 > --- a/lib/efi_loader/efi_file.c > +++ b/lib/efi_loader/efi_file.c > @@ -1098,6 +1098,15 @@ static const struct efi_file_handle > efi_file_handle_protocol = { > /** > * efi_file_from_path() - open file via device path > * > + * The device path @fp consist of the device path of the handle with the
consists of > + * simple file system protocol and one or more file path device path nodes. > + * The concatenation of all file path names provides the total file path. > + * > + * The code starts at the first file path node and tries to open that file or > + * directory. If there is a succeding file path node, the code opens it > relative > + * to this directory and continues iterating until reaching the last file > path > + * node. > + * > * @fp: device path > * Return: EFI_FILE_PROTOCOL for the file or NULL > */ > -- > 2.37.2 > Reviewed-by: Ilias Apalodimas <ilias.apalodi...@linaro.org>