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From:   Mathieu Malaterre <malat@debian.org>
To:     Daniel Borkmann <daniel@iogearbox.net>
Cc:     Mathieu Malaterre <malat@debian.org>,
        Alexei Starovoitov <ast@kernel.org>,
        "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/2] bpf: Annotate implicit fall through in cgroup_dev_func_proto
Date:   Wed, 16 Jan 2019 20:32:10 +0100
Message-Id: <20190116193210.32252-1-malat@debian.org>
In-Reply-To: <20190114202941.16183-1-malat@debian.org>
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There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warnings (W=1).

This commit remove the following warning:

  kernel/bpf/cgroup.c:719:6: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
 kernel/bpf/cgroup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 9425c2fb872f..ab612fe9862f 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -718,6 +718,7 @@ cgroup_dev_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
 	case BPF_FUNC_trace_printk:
 		if (capable(CAP_SYS_ADMIN))
 			return bpf_get_trace_printk_proto();
+		/* fall through */
 	default:
 		return NULL;
 	}
-- 
2.19.2