[F/J/K][OEM-5.17/OEM-6.0][SRU][PATCH 1/1] selftest: fib_tests: Always cleanup before exit

[Po-Hsu Lin]

From: Roxana Nicolescu <roxana.nicolescu at canonical.com>

BugLink: https://bugs.launchpad.net/bugs/2015956

Usage of `set -e` before executing a command causes immediate exit
on failure, without cleanup up the resources allocated at setup.
This can affect the next tests that use the same resources,
leading to a chain of failures.

A simple fix is to always call cleanup function when the script exists.
This approach is already used by other existing tests.

Fixes: 1056691b2680 ("selftests: fib_tests: Make test results more verbose")
Signed-off-by: Roxana Nicolescu <roxana.nicolescu at canonical.com>
Link: https://lore.kernel.org/r/20230220110400.26737-2-roxana.nicolescu@canonical.com
Signed-off-by: Paolo Abeni <pabeni at redhat.com>
(cherry picked from commit b60417a9f2b890a8094477b2204d4f73c535725e)
Signed-off-by: Po-Hsu Lin <po-hsu.lin at canonical.com>
---
 tools/testing/selftests/net/fib_tests.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 5637b5da..70ea879 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -2065,6 +2065,8 @@ EOF
 ################################################################################
 # main
 
+trap cleanup EXIT
+
 while getopts :t:pPhv o
 do
 	case $o in
-- 
2.7.4