linux-kernel - [PATCH 5.14 107/334] bpf, selftests: Fix test

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Date:   Mon, 13 Sep 2021 15:12:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrii Nakryiko <andrii@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 107/334] bpf, selftests: Fix test_maps now that sockmap supports UDP

From: John Fastabend <john.fastabend@...il.com>

[ Upstream commit c39aa21599748f3845a47645f482d94099b11460 ]

UDP socket support was added recently so testing UDP insert failure is no
longer correct and causes test_maps failure. The fix is easy though, we
simply need to test that UDP is correctly added instead of blocked.

Fixes: 122e6c79efe1c ("sock_map: Update sock type checks for UDP")
Reported-by: Andrii Nakryiko <andrii@...nel.org>
Signed-off-by: John Fastabend <john.fastabend@...il.com>
Signed-off-by: Andrii Nakryiko <andrii@...nel.org>
Link: https://lore.kernel.org/bpf/20210720184832.452430-1-john.fastabend@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/bpf/test_maps.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 30cbf5d98f7d..abdfc41f7685 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -764,8 +764,8 @@ static void test_sockmap(unsigned int tasks, void *data)
 	udp = socket(AF_INET, SOCK_DGRAM, 0);
 	i = 0;
 	err = bpf_map_update_elem(fd, &i, &udp, BPF_ANY);
-	if (!err) {
-		printf("Failed socket SOCK_DGRAM allowed '%i:%i'\n",
+	if (err) {
+		printf("Failed socket update SOCK_DGRAM '%i:%i'\n",
 		       i, udp);
 		goto out_sockmap;
 	}
-- 
2.30.2