linux-kernel - [PATCH] usb: storage: uas: mark expected switch fall-through

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Message-ID: <20171024164819.GA1240@embeddedor.com>
Date:   Tue, 24 Oct 2017 11:48:19 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Oliver Neukum <oneukum@...e.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-scsi@...r.kernel.org,
        usb-storage@...ts.one-eyed-alien.net, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: storage: uas: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 115016
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/storage/uas.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 63cf981..bd4671d 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -668,6 +668,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
 		break;
 	case DMA_BIDIRECTIONAL:
 		cmdinfo->state |= ALLOC_DATA_IN_URB | SUBMIT_DATA_IN_URB;
+		/* fall through */
 	case DMA_TO_DEVICE:
 		cmdinfo->state |= ALLOC_DATA_OUT_URB | SUBMIT_DATA_OUT_URB;
 	case DMA_NONE:
-- 
2.7.4