netdev - [PATCH net] selftests: reuseaddr_conflict: add missing new line at the end of the output

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Message-ID: <20240329160559.249476-1-kuba@kernel.org>
Date: Fri, 29 Mar 2024 09:05:59 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	Jakub Kicinski <kuba@...nel.org>,
	shuah@...nel.org,
	jbacik@...com,
	linux-kselftest@...r.kernel.org
Subject: [PATCH net] selftests: reuseaddr_conflict: add missing new line at the end of the output

The netdev CI runs in a VM and captures serial, so stdout and
stderr get combined. Because there's a missing new line in
stderr the test ends up corrupting KTAP:

  # Successok 1 selftests: net: reuseaddr_conflict

which should have been:

  # Success
  ok 1 selftests: net: reuseaddr_conflict

Fixes: 422d8dc6fd3a ("selftest: add a reuseaddr test")
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
Low risk and seems worth backporting to stable, hence the fixes tag.

CC: shuah@...nel.org
CC: jbacik@...com
CC: linux-kselftest@...r.kernel.org
---
 tools/testing/selftests/net/reuseaddr_conflict.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/reuseaddr_conflict.c b/tools/testing/selftests/net/reuseaddr_conflict.c
index 7c5b12664b03..bfb07dc49518 100644
--- a/tools/testing/selftests/net/reuseaddr_conflict.c
+++ b/tools/testing/selftests/net/reuseaddr_conflict.c
@@ -109,6 +109,6 @@ int main(void)
 	fd1 = open_port(0, 1);
 	if (fd1 >= 0)
 		error(1, 0, "Was allowed to create an ipv4 reuseport on an already bound non-reuseport socket with no ipv6");
-	fprintf(stderr, "Success");
+	fprintf(stderr, "Success\n");
 	return 0;
 }
-- 
2.44.0