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authorGeliang Tang <geliang.tang@suse.com>2023-11-28 15:18:56 -0800
committerJakub Kicinski <kuba@kernel.org>2023-11-29 20:06:18 -0800
commit119931cc88ce7073b9a289c13abaf2348d55fdfa (patch)
treeed817d05ee4831828c2d74cdceb505836da4c036 /tools/testing/selftests/net/mptcp/mptcp_connect.sh
parent61c131f5d4d2b79904af2fdcb2839a9db8e7c55c (diff)
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selftests: mptcp: add missing oflag=append
In mptcp_connect.sh we are missing something like "oflag=append" because this will write "${rem}" bytes at the beginning of the file where there is already some random bytes. It should write that at the end. This patch adds this missing 'oflag=append' flag for 'dd' command in make_file(). Suggested-by: Matthieu Baerts <matttbe@kernel.org> Reviewed-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231128-send-net-next-2023107-v4-12-8d6b94150f6b@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_connect.sh')
-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_connect.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index 3b971d1617d8..c4f08976c418 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -593,7 +593,7 @@ make_file()
rem=$((SIZE - (ksize * 1024)))
dd if=/dev/urandom of="$name" bs=1024 count=$ksize 2> /dev/null
- dd if=/dev/urandom conv=notrunc of="$name" bs=1 count=$rem 2> /dev/null
+ dd if=/dev/urandom conv=notrunc of="$name" oflag=append bs=1 count=$rem 2> /dev/null
echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
echo "Created $name (size $(du -b "$name")) containing data sent by $who"