netdev - [PATCH bpf] bpf: samples/sockmap detach sock ops program

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Date:   Tue, 13 Feb 2018 13:44:22 +0900
From:   Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>
To:     "David S . Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>,
        John Fastabend <john.fastabend@...il.com>,
        netdev@...r.kernel.org
Subject: [PATCH bpf] bpf: samples/sockmap detach sock ops program

samples/sockops program keeps the sock_ops program attached to cgroup.
Fixed this by detaching program before exit.

Signed-off-by: Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>
---
 samples/sockmap/sockmap_user.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/samples/sockmap/sockmap_user.c b/samples/sockmap/sockmap_user.c
index 7c25c0c112bc..95a54a89a532 100644
--- a/samples/sockmap/sockmap_user.c
+++ b/samples/sockmap/sockmap_user.c
@@ -566,6 +566,7 @@ int main(int argc, char **argv)
 	else
 		fprintf(stderr, "unknown test\n");
 out:
+	bpf_prog_detach2(prog_fd[2], cg_fd, BPF_CGROUP_SOCK_OPS);
 	close(s1);
 	close(s2);
 	close(p1);
-- 
2.13.6