Re: [PATCH] locks: remove trailing semicolon in macro definition

[Matthew Wilcox]

On Fri, Nov 27, 2020 at 11:07:07AM -0800, trix@xxxxxxxxxx wrote:
> +++ b/fs/fcntl.c
> @@ -526,7 +526,7 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
>  	(dst)->l_whence = (src)->l_whence;	\
>  	(dst)->l_start = (src)->l_start;	\
>  	(dst)->l_len = (src)->l_len;		\
> -	(dst)->l_pid = (src)->l_pid;
> +	(dst)->l_pid = (src)->l_pid

This should be wrapped in a do { } while (0).

Look, this warning is clearly great at finding smelly code, but the
fixes being generated to shut up the warning are low quality.