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

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Message-ID: <20171024031043.GA23669@embeddedor.com>
Date:   Mon, 23 Oct 2017 22:10:43 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Bin Liu <b-liu@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: musb_core: mark expected switch fall-through

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

Addresses-Coverity-ID: 1397608
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/musb/musb_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index ff5a1a8..889ca9b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -767,6 +767,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		case OTG_STATE_B_IDLE:
 			if (!musb->is_active)
 				break;
+			/* fall through */
 		case OTG_STATE_B_PERIPHERAL:
 			musb_g_suspend(musb);
 			musb->is_active = musb->g.b_hnp_enable;
-- 
2.7.4