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selftests: mptcp: add missing oflag=append

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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>
This commit is contained in:
Geliang Tang 2023-11-28 15:18:56 -08:00 committed by Jakub Kicinski
parent 61c131f5d4
commit 119931cc88
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/net/mptcp/mptcp_connect.sh
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@ -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"