linux-hardening - [PATCH 088/141] i3c: master: cdns: Fix fall-through warnings for Clang

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Message-ID: <84750a7bd4a70dbebd6662c5d5bf132b2a215d06.1605896060.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:36:14 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Przemysław Gaj <pgaj@...ence.com>,
        Boris Brezillon <bbrezillon@...nel.org>
Cc:     linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 088/141] i3c: master: cdns: Fix fall-through warnings for
 Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/i3c/master/i3c-master-cdns.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index 3f2226928fe0..5b37ffe5ad5b 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -1379,6 +1379,8 @@ static void cnds_i3c_master_demux_ibis(struct cdns_i3c_master *master)
 
 		case IBIR_TYPE_MR:
 			WARN_ON(IBIR_XFER_BYTES(ibir) || (ibir & IBIR_ERROR));
+			break;
+
 		default:
 			break;
 		}
-- 
2.27.0