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SubjectRe: [PATCH 058/141] xen-blkfront: Fix fall-through warnings for Clang
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On 11/20/20 1:32 PM, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> ---
> drivers/block/xen-blkfront.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
> index 48629d3433b4..34b028be78ab 100644
> --- a/drivers/block/xen-blkfront.c
> +++ b/drivers/block/xen-blkfront.c
> @@ -2462,6 +2462,7 @@ static void blkback_changed(struct xenbus_device *dev,
> break;
> if (talk_to_blkback(dev, info))
> break;
> + break;
> case XenbusStateInitialising:
> case XenbusStateInitialised:
> case XenbusStateReconfiguring:


Reviewed-by Boris Ostrovsky <boris.ostrovsky@oracle.com>


(for patch 138 as well)


Although I thought using 'fallthrough' attribute was the more common approach.


-boris

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