linux-kernel - [PATCH 2/2] selftests: power_supply: Make it POSIX-compliant

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Message-Id: <20240415-supply-selftest-posix-sh-v1-2-328f008d698d@collabora.com>
Date: Mon, 15 Apr 2024 11:32:16 -0400
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Shuah Khan <shuah@...nel.org>
Cc: Sebastian Reichel <sre@...nel.org>, 
 Mike Looijmans <mike.looijmans@...ic.nl>, kernel@...labora.com, 
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-pm@...r.kernel.org, 
 Nícolas F. R. A. Prado <nfraprado@...labora.com>
Subject: [PATCH 2/2] selftests: power_supply: Make it POSIX-compliant

There is one use of bash specific syntax in the script. Change it to the
equivalent POSIX syntax. This doesn't change functionality and allows
the test to be run on shells other than bash.

Reported-by: Mike Looijmans <mike.looijmans@...ic.nl>
Closes: https://lore.kernel.org/all/efae4037-c22a-40be-8ba9-7c1c12ece042@topic.nl/
Fixes: 4a679c5afca0 ("selftests: Add test to verify power supply properties")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---
 tools/testing/selftests/power_supply/test_power_supply_properties.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/power_supply/test_power_supply_properties.sh b/tools/testing/selftests/power_supply/test_power_supply_properties.sh
index df272dfe1d2a..a66b1313ed88 100755
--- a/tools/testing/selftests/power_supply/test_power_supply_properties.sh
+++ b/tools/testing/selftests/power_supply/test_power_supply_properties.sh
@@ -23,7 +23,7 @@ count_tests() {
 	total_tests=0

 	for i in $SUPPLIES; do
-		total_tests=$(("$total_tests" + "$NUM_TESTS"))
+		total_tests=$((total_tests + NUM_TESTS))
 	done

 	echo "$total_tests"

-- 
2.44.0