linux-kernel - [PATCH][next] firewire: core: Fix fall-through warnings for Clang

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Message-ID: <20210305074223.GA123031@embeddedor>
Date:   Fri, 5 Mar 2021 01:42:23 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Stefan Richter <stefanr@...6.in-berlin.de>
Cc:     linux1394-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][next] firewire: core: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/firewire/core-topology.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index ec68ed27b0a5..b63d55f5ebd3 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -58,6 +58,7 @@ static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count)
 		case SELFID_PORT_PARENT:
 		case SELFID_PORT_NCONN:
 			(*total_port_count)++;
+			fallthrough;
 		case SELFID_PORT_NONE:
 			break;
 		}
-- 
2.27.0