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Date:   Tue,  9 Jun 2020 17:21:32 -0400
From:   Tanner Love <tannerlove.kernel@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, tannerlove <tannerlove@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>
Subject: [PATCH net] selftests/net: in rxtimestamp getopt_long needs terminating null entry

From: tannerlove <tannerlove@...gle.com>

getopt_long requires the last element to be filled with zeros.
Otherwise, passing an unrecognized option can cause a segfault.

Fixes: 16e781224198 ("selftests/net: Add a test to validate behavior of rx timestamps")
Signed-off-by: Tanner Love <tannerlove@...gle.com>
Acked-by: Willem de Bruijn <willemb@...gle.com>
---
 tools/testing/selftests/net/rxtimestamp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/rxtimestamp.c b/tools/testing/selftests/net/rxtimestamp.c
index 6dee9e636a95..422e7761254d 100644
--- a/tools/testing/selftests/net/rxtimestamp.c
+++ b/tools/testing/selftests/net/rxtimestamp.c
@@ -115,6 +115,7 @@ static struct option long_options[] = {
 	{ "tcp", no_argument, 0, 't' },
 	{ "udp", no_argument, 0, 'u' },
 	{ "ip", no_argument, 0, 'i' },
+	{ NULL, 0, NULL, 0 },
 };
 
 static int next_port = 19999;
-- 
2.27.0.278.ge193c7cf3a9-goog

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