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SubjectRe: [PATCH] kcsan: fix debugfs initcall return type
On Fri, May 14, 2021 at 04:00:08PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> clang points out that an initcall funciton should return an 'int':
>
> kernel/kcsan/debugfs.c:274:15: error: returning 'void' from a function with incompatible result type 'int'
> late_initcall(kcsan_debugfs_init);
> ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
> include/linux/init.h:292:46: note: expanded from macro 'late_initcall'
> #define late_initcall(fn) __define_initcall(fn, 7)
>
> Fixes: e36299efe7d7 ("kcsan, debugfs: Move debugfs file creation out of early init")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> kernel/kcsan/debugfs.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
> index c1dd02f3be8b..e65de172ccf7 100644
> --- a/kernel/kcsan/debugfs.c
> +++ b/kernel/kcsan/debugfs.c
> @@ -266,9 +266,10 @@ static const struct file_operations debugfs_ops =
> .release = single_release
> };
>
> -static void __init kcsan_debugfs_init(void)
> +static int __init kcsan_debugfs_init(void)
> {
> debugfs_create_file("kcsan", 0644, NULL, NULL, &debugfs_ops);
> + return 0;
> }
>
> late_initcall(kcsan_debugfs_init);
> --
> 2.29.2
>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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