[PATCH v3] selftests: tpm2: test_smoke: use POSIX-conformant expression operator

[Ahmed Salem]

Use POSIX-conformant operator symbol '='.

Signed-off-by: Ahmed Salem <x0rw3ll@xxxxxxxxx>
---

Apologies for my previous mistakes.

Changes in v3:
 - Reword mistaken commit message

Changes in v2:
 - Remove snippets pinpointing the issue 
   from commit message

 tools/testing/selftests/tpm2/test_smoke.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index 168f4b166234..3a60e6c6f5c9 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -6,6 +6,6 @@ ksft_skip=4
 
 [ -e /dev/tpm0 ] || exit $ksft_skip
 read tpm_version < /sys/class/tpm/tpm0/tpm_version_major
-[ "$tpm_version" == 2 ] || exit $ksft_skip
+[ "$tpm_version" = 2 ] || exit $ksft_skip
 
 python3 -m unittest -v tpm2_tests.SmokeTest 2>&1
-- 
2.47.2