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Subject[PATCH v2] selftests: net: tcp_fastopen_backup_key.sh: fix shellcheck issue
Date
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>
---
tools/testing/selftests/net/tcp_fastopen_backup_key.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/tcp_fastopen_backup_key.sh b/tools/testing/selftests/net/tcp_fastopen_backup_key.sh
index 41476399e184..f6e65674b83c 100755
--- a/tools/testing/selftests/net/tcp_fastopen_backup_key.sh
+++ b/tools/testing/selftests/net/tcp_fastopen_backup_key.sh
@@ -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
--
2.20.1
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