Re: [PATCH] afs: add a return to afs_dir_set_page_dirty()

From: Randy Dunlap
Date: Tue Jun 01 2021 - 15:10:26 EST


On 6/1/21 7:08 AM, trix@xxxxxxxxxx wrote:
> From: Tom Rix <trix@xxxxxxxxxx>
>
> With gcc 10.3, this compile error is reported
> dir.c: In function 'afs_dir_set_page_dirty':
> dir.c:51:1: error: no return statement in function
> returning non-void [-Werror=return-type]
>
> Even though the code is unreachable, add a return
> to silence the error.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

or this previous patch:
https://lore.kernel.org/lkml/20210327121624.194639-1-zhengzengkai@xxxxxxxxxx/

but for either of them, ack.
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

thanks.

> ---
> fs/afs/dir.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/afs/dir.c b/fs/afs/dir.c
> index 78719f2f567e..988766f88d8b 100644
> --- a/fs/afs/dir.c
> +++ b/fs/afs/dir.c
> @@ -48,6 +48,7 @@ static void afs_dir_invalidatepage(struct page *page, unsigned int offset,
> static int afs_dir_set_page_dirty(struct page *page)
> {
> BUG(); /* This should never happen. */
> + return -EINVAL;
> }
>
> const struct file_operations afs_dir_file_operations = {
>


--
~Randy