linux-kernel - [PATCH v2 1/2] IB/qib: remove superfluous fallthrough statements

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Message-Id: <20200825171242.448447-1-alex.dewar90@gmail.com>
Date:   Tue, 25 Aug 2020 18:12:42 +0100
From:   Alex Dewar <alex.dewar90@...il.com>
To:     alex.dewar90@...il.com
Cc:     dennis.dalessandro@...el.com, dledford@...hat.com,
        gustavo@...eddedor.com, jgg@...pe.ca, joe@...ches.com,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        mike.marciniszyn@...el.com, roland@...estorage.com
Subject: [PATCH v2 1/2] IB/qib: remove superfluous fallthrough statements

Commit 36a8f01cd24b ("IB/qib: Add congestion control agent implementation")
erroneously marked a couple of switch cases as /* FALLTHROUGH */, which
were later converted to fallthrough statements by commit df561f6688fe
("treewide: Use fallthrough pseudo-keyword"). This triggered a Coverity
warning about unreachable code.

Remove the fallthrough statements.

Addresses-Coverity: ("Unreachable code")
Fixes: 36a8f01cd24b ("IB/qib: Add congestion control agent implementation")
Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
---
v2: Do refactoring in a separate patch (Gustavo)
---
 drivers/infiniband/hw/qib/qib_mad.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index e7789e724f56..f972e559a8a7 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -2322,7 +2322,6 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
 			ret = cc_get_congestion_control_table(ccp, ibdev, port);
 			goto bail;
 
-			fallthrough;
 		default:
 			ccp->status |= IB_SMP_UNSUP_METH_ATTR;
 			ret = reply((struct ib_smp *) ccp);
@@ -2339,7 +2338,6 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
 			ret = cc_set_congestion_control_table(ccp, ibdev, port);
 			goto bail;
 
-			fallthrough;
 		default:
 			ccp->status |= IB_SMP_UNSUP_METH_ATTR;
 			ret = reply((struct ib_smp *) ccp);
-- 
2.28.0