linux-hardening - [PATCH RESEND][next] net: core: Fix fall-through warnings for Clang

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Date:   Tue, 9 Mar 2021 23:42:43 -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,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH RESEND][next] 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>
---
 Changes in RESEND:
 - None. Resending now that net-next is open.

 net/core/dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 6c5967e80132..2bfdd528c7c3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5265,6 +5265,7 @@ 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