netdev - [PATCH] net: thunderx: mark expected switch fall-throughs in nicvf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20171009164453.GA4889@embeddedor.com>
Date:   Mon, 9 Oct 2017 11:44:53 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Sunil Goutham <sgoutham@...ium.com>,
        Robert Richter <rric@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] net: thunderx: mark expected switch fall-throughs in
 nicvf_main()

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Cc: Sunil Goutham <sgoutham@...ium.com>
Cc: Robert Richter <rric@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: netdev@...r.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/net/ethernet/cavium/thunder/nicvf_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index d68478a..71989e1 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -566,8 +566,10 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog,
 		return true;
 	default:
 		bpf_warn_invalid_xdp_action(action);
+		/* fall through */
 	case XDP_ABORTED:
 		trace_xdp_exception(nic->netdev, prog, action);
+		/* fall through */
 	case XDP_DROP:
 		/* Check if it's a recycled page, if not
 		 * unmap the DMA mapping.
-- 
2.7.4