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([209.198.129.130]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434d52cbd72sm257204185e9.44.2024.12.11.00.55.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Dec 2024 00:55:55 -0800 (PST) From: James Clark To: linux-perf-users@vger.kernel.org, namhyung@kernel.org, acme@kernel.org, mhiramat@kernel.org Cc: James Clark , Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Leo Yan , Dima Kogan , "Dr. David Alan Gilbert" , linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] perf probe: Fix uninitialized variable Date: Wed, 11 Dec 2024 08:55:23 +0000 Message-Id: <20241211085525.519458-2-james.clark@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241211085525.519458-1-james.clark@linaro.org> References: <20241211085525.519458-1-james.clark@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Since the linked fixes: commit, err is returned uninitialized due to the removal of "return 0". Initialize err to fix it. This fixes the following intermittent test failure on release builds: $ perf test "testsuite_probe" ... -- [ FAIL ] -- perf_probe :: test_invalid_options :: mutually exclusive options :: -L foo -V bar (output regexp parsing) Regexp not found: \"Error: switch .+ cannot be used with switch .+\" ... Fixes: 080e47b2a237 ("perf probe: Introduce quotation marks support") Tested-by: Namhyung Kim Reviewed-by: Arnaldo Carvalho de Melo Acked-by: Masami Hiramatsu (Google) Signed-off-by: James Clark --- tools/perf/util/probe-event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 6d51a4c98ad7..eaa0318e9b87 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -1370,7 +1370,7 @@ int parse_line_range_desc(const char *arg, struct line_range *lr) { char *buf = strdup(arg); char *p; - int err; + int err = 0; if (!buf) return -ENOMEM; -- 2.34.1