Re: [PATCH -next] fanotify: remove variable set but not used

From: Jan Kara
Date: Thu Jan 20 2022 - 07:57:50 EST


On Wed 12-01-22 16:54:03, Yang Li wrote:
> The code that uses the pointer info has been removed in
> 'https://lore.kernel.org/all/20211129201537.1932819-11-amir73il@xxxxxxxxx/'
> and fanotify_event_info() doesn't change 'event', so the declaration and
> assignment of info can be removed.
>
> Eliminate the following clang warning:
> fs/notify/fanotify/fanotify_user.c:161:24: warning: variable ‘info’ set
> but not used
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>

Thanks! I've added the patch to my tree.

Honza

> ---
> fs/notify/fanotify/fanotify_user.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
> index 73b1615f9d96..1026f67b1d1e 100644
> --- a/fs/notify/fanotify/fanotify_user.c
> +++ b/fs/notify/fanotify/fanotify_user.c
> @@ -158,7 +158,6 @@ static size_t fanotify_event_len(unsigned int info_mode,
> struct fanotify_event *event)
> {
> size_t event_len = FAN_EVENT_METADATA_LEN;
> - struct fanotify_info *info;
> int fh_len;
> int dot_len = 0;
>
> @@ -168,8 +167,6 @@ static size_t fanotify_event_len(unsigned int info_mode,
> if (fanotify_is_error_event(event->mask))
> event_len += FANOTIFY_ERROR_INFO_LEN;
>
> - info = fanotify_event_info(event);
> -
> if (fanotify_event_has_any_dir_fh(event)) {
> event_len += fanotify_dir_name_info_len(event);
> } else if ((info_mode & FAN_REPORT_NAME) &&
> --
> 2.20.1.7.g153144c
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR