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SubjectRe: [PATCH] gpu/drm/mgag200:remove break after return
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Date
Hi

On 23.10.20 09:00, Bernard Zhao wrote:
> In function mgag200_set_pci_regs, there are some switch cases
> returned, then break. These break will never run.
> This patch is to make the code a bit readable.
>
> Signed-off-by: Bernard Zhao <bernard@vivo.com>
> ---
> drivers/gpu/drm/mgag200/mgag200_mode.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
> index 38672f9e5c4f..de873a5d276e 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_mode.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
> @@ -794,20 +794,17 @@ static int mgag200_crtc_set_plls(struct mga_device *mdev, long clock)
> case G200_SE_A:
> case G200_SE_B:
> return mga_g200se_set_plls(mdev, clock);
> - break;
> case G200_WB:
> case G200_EW3:
> return mga_g200wb_set_plls(mdev, clock);
> - break;
> case G200_EV:
> return mga_g200ev_set_plls(mdev, clock);
> - break;
> case G200_EH:
> case G200_EH3:
> return mga_g200eh_set_plls(mdev, clock);
> - break;
> case G200_ER:
> return mga_g200er_set_plls(mdev, clock);
> + default:

No default case here. If one of the enum values is not handled by the
switch, the compiler should warn about it.

Best regards
Thomas

> break;
> }
>
>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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