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selftests: net: tcp_fastopen_backup_key.sh: fix shellcheck issue

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When running tcp_fastopen_backup_key.sh the following issue was seen in
a busybox environment.
./tcp_fastopen_backup_key.sh: line 33: [: -ne: unary operator expected

Shellcheck showed the following issue.
$ shellcheck tools/testing/selftests/net/tcp_fastopen_backup_key.sh

In tools/testing/selftests/net/tcp_fastopen_backup_key.sh line 33:
        if [ $val -ne 0 ]; then
             ^-- SC2086: Double quote to prevent globbing and word splitting.

Rework to do a string comparison instead.

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Anders Roxell
2019-08-15 09:58:26 +02:00
committed by David S. Miller
parent c554336efa
commit 2aafdf5a57
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/net/tcp_fastopen_backup_key.sh
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@@ -30,7 +30,7 @@ do_test() {
ip netns exec "${NETNS}" ./tcp_fastopen_backup_key "$1"
val=$(ip netns exec "${NETNS}" nstat -az | \
grep TcpExtTCPFastOpenPassiveFail | awk '{print $2}')
if [ $val -ne 0 ]; then
if [ "$val" != 0 ]; then
echo "FAIL: TcpExtTCPFastOpenPassiveFail non-zero"
return 1
fi