From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Linux Weekly News <lwn@lwn.net>,
Colin Ian King <colin.king@canonical.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>,
Wang Nan <wangnan0@huawei.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 01/22] perf probe: Check if *ptr2 is zero and not ptr2
Date: Mon, 3 Oct 2016 23:37:00 -0300 [thread overview]
Message-ID: <1475548641-12182-2-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1475548641-12182-1-git-send-email-acme@kernel.org>
From: Colin Ian King <colin.king@canonical.com>
Static anaylsis with cppcheck[1] detected an incorrect comparison:
[tools/perf/util/probe-event.c:216]: (warning) Char literal compared
with pointer 'ptr2'. Did you intend to dereference it?
Dereference ptr2 for the comparison to fix this.
1: https://sourceforge.net/p/cppcheck/wiki/Home/
Signed-off-by: Colin King <colin.king@canonical.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 35726d3a4ca9 ("perf probe: Fix to cut off incompatible chars from group name")
Link: http://lkml.kernel.org/r/20161003103431.18534-1-colin.king@canonical.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
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 fcfbef07b92d..d281ae2b54e8 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -213,7 +213,7 @@ static int convert_exec_to_group(const char *exec, char **result)
goto out;
}
- for (ptr2 = ptr1; ptr2 != '\0'; ptr2++) {
+ for (ptr2 = ptr1; *ptr2 != '\0'; ptr2++) {
if (!isalnum(*ptr2) && *ptr2 != '_') {
*ptr2 = '\0';
break;
--
2.7.4
next prev parent reply other threads:[~2016-10-04 2:38 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-04 2:36 [GIT PULL 00/22] perf/core improvements and fixes Arnaldo Carvalho de Melo
2016-10-04 2:37 ` Arnaldo Carvalho de Melo [this message]
2016-10-04 2:37 ` [PATCH 02/22] perf tools: Experiment with cppcheck Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 03/22] tools build: Add support for host programs format Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 04/22] tools build: Make fixdep a hostprog Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 05/22] perf tools: Add jsmn `jasmine' JSON parser Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 06/22] perf jevents: Program to convert JSON file Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 07/22] perf pmu: Use pmu_events table to create aliases Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 08/22] perf powerpc: Support CPU ID matching for Powerpc Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 09/22] perf tools: Support CPU id matching for x86 v2 Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 10/22] perf jevents: Handle header line in mapfile Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 11/22] perf pmu: Support alias descriptions Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 12/22] perf tools: Query terminal width and use in perf list Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 13/22] perf list: Add a --no-desc flag Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 14/22] perf pmu: Add override support for event list CPUID Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 15/22] perf jevents: Add support for long descriptions Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 16/22] perf list: Support long jevents descriptions Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 17/22] perf list jevents: Add support for event list topics Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 18/22] perf tools: Add README for info on parsing JSON/map files Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 19/22] perf tools: Allow period= in perf stat CPU event descriptions Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 20/22] perf tools: Make alias matching case-insensitive Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 21/22] perf pmu-events: Fix fixed counters on Intel Arnaldo Carvalho de Melo
2016-10-04 2:37 ` [PATCH 22/22] perf pmu-events: Add Skylake frontend MSR support Arnaldo Carvalho de Melo
2016-10-04 8:07 ` [GIT PULL 00/22] perf/core improvements and fixes Ingo Molnar
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