Re: [PATCH] soc: ti: wkup_m3_ipc: Fix return type error in wkup_m3_rproc_boot_thread()

From: Eric W. Biederman
Date: Mon Nov 08 2021 - 14:19:08 EST


Nathan Chancellor <nathan@xxxxxxxxxx> writes:

> This function should not return a value:
>
> drivers/soc/ti/wkup_m3_ipc.c: In function 'wkup_m3_rproc_boot_thread':
> drivers/soc/ti/wkup_m3_ipc.c:429:16: error: 'return' with a value, in function returning void [-Werror=return-type]
> 429 | return 0;
> | ^
> drivers/soc/ti/wkup_m3_ipc.c:416:13: note: declared here
> 416 | static void wkup_m3_rproc_boot_thread(struct wkup_m3_ipc *m3_ipc)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors

Apologies for not replying to this sooner. I did not realize at first
that this was in response to one of my changes.

Arnd also reported this and included a correct fix please see:
https://lkml.kernel.org/r/20211105075119.2327190-1-arnd@xxxxxxxxxx

Thank you,
Eric
>
> Fixes: 111e70490d2a ("exit/kthread: Have kernel threads return instead of calling do_exit")
> Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> ---
> drivers/soc/ti/wkup_m3_ipc.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c
> index 0733443a2631..2238beb40f8d 100644
> --- a/drivers/soc/ti/wkup_m3_ipc.c
> +++ b/drivers/soc/ti/wkup_m3_ipc.c
> @@ -425,8 +425,6 @@ static void wkup_m3_rproc_boot_thread(struct wkup_m3_ipc *m3_ipc)
> dev_err(dev, "rproc_boot failed\n");
> else
> m3_ipc_state = m3_ipc;
> -
> - return 0;
> }
>
> static int wkup_m3_ipc_probe(struct platform_device *pdev)
>
> base-commit: ac4fdfaf4792d41ad7b24d1c8ab486aeb7ccd495