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Date:   Fri, 20 Nov 2020 12:32:58 -0600
From:   "Gustavo A. R. Silva" <>
To:     Konrad Rzeszutek Wilk <>,
        Roger Pau Monné <>,
        Boris Ostrovsky <>,
        Juergen Gross <>,
        Stefano Stabellini <>,
        Jens Axboe <>
        "Gustavo A. R. Silva" <>
Subject: [PATCH 058/141] xen-blkfront: Fix fall-through warnings for Clang

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.

Signed-off-by: Gustavo A. R. Silva <>
 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,
 		if (talk_to_blkback(dev, info))
+		break;
 	case XenbusStateInitialising:
 	case XenbusStateInitialised:
 	case XenbusStateReconfiguring:

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