linux-kernel - [PATCH] ptp: fix missing break in switch

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Message-ID: <20180718011733.GA27872@embeddedor.com>
Date:   Tue, 17 Jul 2018 20:17:33 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Stefan Sørensen 
        <stefan.sorensen@...ctralink.com>,
        Richard Cochran <richardcochran@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] ptp: fix missing break in switch

It seems that a *break* is missing in order to avoid falling through
to the default case. Otherwise, checking *chan* makes no sense.

Fixes: 72df7a7244c0 ("ptp: Allow reassigning calibration pin function")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/ptp/ptp_chardev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 547dbda..01b0e2b 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -89,6 +89,7 @@ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,
 	case PTP_PF_PHYSYNC:
 		if (chan != 0)
 			return -EINVAL;
+		break;
 	default:
 		return -EINVAL;
 	}
-- 
2.7.4