Re: [PATCH -next] Bluetooth: btusb: Remove return statement in btintel_reset_to_bootloader

From: Nick Desaulniers
Date: Fri Oct 18 2019 - 18:39:23 EST


On Fri, Oct 18, 2019 at 3:29 PM Nathan Chancellor
<natechancellor@xxxxxxxxx> wrote:
>
> When building with Clang and CONFIG_BT_INTEL unset, the following error
> occurs:
>
> In file included from drivers/bluetooth/hci_ldisc.c:34:
> drivers/bluetooth/btintel.h:188:2: error: void function
> 'btintel_reset_to_bootloader' should not return a value [-Wreturn-type]
> return -EOPNOTSUPP;
> ^ ~~~~~~~~~~~
> 1 error generated.
>
> Remove the unneeded return statement to fix this.
>
> Fixes: b9a2562f4918 ("Bluetooth: btusb: Trigger Intel FW download error recovery")
> Link: https://github.com/ClangBuiltLinux/linux/issues/743
> Reported-by: <ci_notify@xxxxxxxxxx>
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
> drivers/bluetooth/btintel.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
> index d2311156f778..a69ea8a87b9b 100644
> --- a/drivers/bluetooth/btintel.h
> +++ b/drivers/bluetooth/btintel.h
> @@ -185,6 +185,5 @@ static inline int btintel_download_firmware(struct hci_dev *dev,
>
> static inline void btintel_reset_to_bootloader(struct hci_dev *hdev)
> {
> - return -EOPNOTSUPP;


The existing structure of this code is fishy, but I see what is going on with:
65 #if IS_ENABLED(CONFIG_BT_INTEL)
drivers/bluetooth/btintel.h

Thanks for the patch
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

> }
> #endif

--
Thanks,
~Nick Desaulniers