linux-kernel - [PATCH v2] usb: musb: add code comment for clarification

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Message-ID: <20170214182039.GA3379@embeddedgus>
Date:   Tue, 14 Feb 2017 12:20:39 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Bin Liu <b-liu@...com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH v2] usb: musb: add code comment for clarification

Add code comment to make it clear that the fall-through is intentional.
Read the link for more details: https://lkml.org/lkml/2017/2/9/292

Addresses-Coverity-ID: 1397608
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
Changes in v2:
 Fix tabs and line-wrapping in previous patch.

 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 892088f..d8bae6c 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1869,6 +1869,7 @@ static void musb_pm_runtime_check_session(struct musb *musb)
 
 			return;
 		}
+		/* fall through */
 	case MUSB_QUIRK_A_DISCONNECT_19:
 		if (musb->quirk_retries--) {
 			musb_dbg(musb,
-- 
2.5.0