linux-kernel - [PATCH V3 07/15] perf tools: add const specifier to perf_pmu_

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Date:	Fri, 28 Jun 2013 11:43:18 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH V3 07/15] perf tools: add const specifier to perf_pmu__find name parameter

The name parameter is constant, declare it so.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/pmu.c | 14 +++++++-------
 tools/perf/util/pmu.h |  2 +-
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 5dd9e37..7360f9b 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -73,7 +73,7 @@ int perf_pmu__format_parse(char *dir, struct list_head *head)
  * located at:
  * /sys/bus/event_source/devices/<dev>/format as sysfs group attributes.
  */
-static int pmu_format(char *name, struct list_head *format)
+static int pmu_format(const char *name, struct list_head *format)
 {
 	struct stat st;
 	char path[PATH_MAX];
@@ -162,7 +162,7 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)
  * Reading the pmu event aliases definition, which should be located at:
  * /sys/bus/event_source/devices/<dev>/events as sysfs group attributes.
  */
-static int pmu_aliases(char *name, struct list_head *head)
+static int pmu_aliases(const char *name, struct list_head *head)
 {
 	struct stat st;
 	char path[PATH_MAX];
@@ -208,7 +208,7 @@ static int pmu_alias_terms(struct perf_pmu_alias *alias,
  * located at:
  * /sys/bus/event_source/devices/<dev>/type as sysfs attribute.
  */
-static int pmu_type(char *name, __u32 *type)
+static int pmu_type(const char *name, __u32 *type)
 {
 	struct stat st;
 	char path[PATH_MAX];
@@ -266,7 +266,7 @@ static void pmu_read_sysfs(void)
 	closedir(dir);
 }
 
-static struct cpu_map *pmu_cpumask(char *name)
+static struct cpu_map *pmu_cpumask(const char *name)
 {
 	struct stat st;
 	char path[PATH_MAX];
@@ -293,7 +293,7 @@ static struct cpu_map *pmu_cpumask(char *name)
 	return cpus;
 }
 
-static struct perf_pmu *pmu_lookup(char *name)
+static struct perf_pmu *pmu_lookup(const char *name)
 {
 	struct perf_pmu *pmu;
 	LIST_HEAD(format);
@@ -330,7 +330,7 @@ static struct perf_pmu *pmu_lookup(char *name)
 	return pmu;
 }
 
-static struct perf_pmu *pmu_find(char *name)
+static struct perf_pmu *pmu_find(const char *name)
 {
 	struct perf_pmu *pmu;
 
@@ -356,7 +356,7 @@ struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
 	return NULL;
 }
 
-struct perf_pmu *perf_pmu__find(char *name)
+struct perf_pmu *perf_pmu__find(const char *name)
 {
 	struct perf_pmu *pmu;
 
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 32fe55b..d17b565 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -21,7 +21,7 @@ struct perf_pmu {
 	struct list_head list;
 };
 
-struct perf_pmu *perf_pmu__find(char *name);
+struct perf_pmu *perf_pmu__find(const char *name);
 int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
 		     struct list_head *head_terms);
 int perf_pmu__config_terms(struct list_head *formats,
-- 
1.7.11.7

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