From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>,
David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Wang Nan <wangnan0@huawei.com>
Subject: [PATCH 11/15] perf tests record: No need to test an array against NULL
Date: Mon, 13 Feb 2017 22:13:56 -0300 [thread overview]
Message-ID: <20170214011400.13352-12-acme@kernel.org> (raw)
In-Reply-To: <20170214011400.13352-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
It will always evaluate to 'true', as clang warns:
CC /tmp/build/perf/tests/perf-record.o
CC /tmp/build/perf/tests/evsel-roundtrip-name.o
tests/perf-record.c:69:24: error: comparison of array 'argv' equal to a null pointer is always false [-Werror,-Wtautological-pointer-compare]
if (evlist == NULL || argv == NULL) {
^~~~ ~~~~
1 error generated.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-o4977g6p9b3peak9ct6ef48q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/tests/perf-record.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 8f2e1de6d0ea..541da7a68f91 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -66,7 +66,7 @@ int test__PERF_RECORD(int subtest __maybe_unused)
if (evlist == NULL) /* Fallback for kernels lacking PERF_COUNT_SW_DUMMY */
evlist = perf_evlist__new_default();
- if (evlist == NULL || argv == NULL) {
+ if (evlist == NULL) {
pr_debug("Not enough memory to create evlist\n");
goto out;
}
--
2.9.3
next prev parent reply other threads:[~2017-02-14 1:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-14 1:13 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 01/15] tools include: Introduce linux/compiler-gcc.h Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 02/15] perf diff: Add 'delta-abs' compute method Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 03/15] perf diff: Add diff.order config option Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 04/15] perf diff: Add diff.compute " Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 05/15] perf diff: Change default setting to "delta-abs" Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 06/15] perf scripting perl: Fix compile error with some perl5 versions Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 07/15] tools lib traceevent: Initialize lenght on OLD_RING_BUFFER_TYPE_TIME_STAMP Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 08/15] tools lib traceevent plugin function: Initialize 'index' variable Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 09/15] perf evsel: Inform how to make a sysctl setting permanent Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 10/15] perf symbols: No need to check if sym->name is NULL Arnaldo Carvalho de Melo
2017-02-14 1:13 ` Arnaldo Carvalho de Melo [this message]
2017-02-14 1:13 ` [PATCH 12/15] perf symbols: dso->name is an array, no need to check it against NULL Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 13/15] samples/bpf: Add missing header Arnaldo Carvalho de Melo
2017-02-14 1:13 ` [PATCH 14/15] samples/bpf: Ignore already processed ELF sections Arnaldo Carvalho de Melo
2017-02-14 1:14 ` [PATCH 15/15] samples/bpf: Reset global variables Arnaldo Carvalho de Melo
2017-02-14 6:31 ` [GIT PULL 00/15] perf/core improvements and fixes Ingo Molnar
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