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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	patches@lists.linux.dev,
	Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
	Ian Rogers <irogers@google.com>,
	Disha Goel <disgoel@linux.vnet.ibm.com>,
	Jiri Olsa <jolsa@kernel.org>,
	Kajol Jain <kjain@linux.ibm.com>,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	linuxppc-dev@lists.ozlabs.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 415/935] perf tests stat_bpf_counters: Fix usage of == to address shellcheck warning
Date: Sat, 12 Sep 2026 08:57:25 +0200
Message-ID: <20260912065536.341381366@linuxfoundation.org>
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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Athira Rajeev <atrajeev@linux.vnet.ibm.com>

[ Upstream commit d10eedd87bb3e7678c3a0f77a5cfe7150a318ee2 ]

Running shellcheck on stat_bpf_counter.sh generates below
warning:

   In tests/shell/stat_bpf_counters.sh line 34:
   if [ "$base_cycles" == "<not" ]; then
                       ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.

   In tests/shell/stat_bpf_counters.sh line 39:
   if [ "$bpf_cycles" == "<not" ]; then
                      ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.

Fix this by using "=" instead of "==" to work for
all shells.

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20230709182800.53002-10-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Stable-dep-of: b02027776ac5 ("perf tests: Fix flakiness in BPF counters test on hybrid systems")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/tests/shell/stat_bpf_counters.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh
index 6bf24b85294c7..a87bb2814b4c6 100755
--- a/tools/perf/tests/shell/stat_bpf_counters.sh
+++ b/tools/perf/tests/shell/stat_bpf_counters.sh
@@ -31,12 +31,12 @@ if ! perf stat -e cycles --bpf-counters true > /dev/null 2>&1; then
 fi
 
 base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
-if [ "$base_cycles" == "<not" ]; then
+if [ "$base_cycles" = "<not" ]; then
 	echo "Skipping: cycles event not counted"
 	exit 2
 fi
 bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
-if [ "$bpf_cycles" == "<not" ]; then
+if [ "$bpf_cycles" = "<not" ]; then
 	echo "Failed: cycles not counted with --bpf-counters"
 	exit 1
 fi
-- 
2.53.0