linux-hardening - [PATCH 107/141] net: core: Fix fall-through warnings for Clang

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Message-ID: <8439b30a691bef3d486f825f07f4e73f81064ec3.1605896060.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:38:03 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 107/141] net: core: 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>
---
 net/core/dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 82dc6b48e45f..9efb03ce504d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5214,6 +5214,7 @@ static int __netif_receive_skb_core(struct sk_buff **pskb, bool pfmemalloc,
 			goto another_round;
 		case RX_HANDLER_EXACT:
 			deliver_exact = true;
+			break;
 		case RX_HANDLER_PASS:
 			break;
 		default:
-- 
2.27.0