[PATCH] afs: fix no return warning in afs_dir_dirty_folio

[David Howells]

zhangshida <starzhangzsd at gmail.com> wrote:

> Quiet down this gcc warning generated by
> mips-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110:
> 
> ../fs/afs/dir.c: In function ‘afs_dir_dirty_folio’:
> ../fs/afs/dir.c:52:1: error: no return statement in function returning non-void [-Werror=return-type]
>    52 | }
>       | ^
> cc1: all warnings being treated as errors
> 
> From code analysis I don't think this is a real problem, but unheeded
> warnings just beget more warnings, and you end up being warning-blind.

No.  BUG() is supposed to be noreturn.  This error shouldn't happen.

David