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Subject[PATCH 081/161] perf lock: Plug some memleaks
Date
From: Davidlohr Bueso <davidlohr@hp.com>

Address some trivial leaks.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1378693159-8747-4-git-send-email-davidlohr@hp.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-lock.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index d3188629cbaf..77843478a27a 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -321,10 +321,12 @@ static struct lock_stat *lock_stat_findnew(void *addr, const char *name)

new->addr = addr;
new->name = zalloc(sizeof(char) * strlen(name) + 1);
- if (!new->name)
+ if (!new->name) {
+ free(new);
goto alloc_failed;
- strcpy(new->name, name);
+ }

+ strcpy(new->name, name);
new->wait_time_min = ULLONG_MAX;

list_add(&new->hash_entry, entry);
@@ -875,7 +877,7 @@ static int __cmd_record(int argc, const char **argv)
const char *record_args[] = {
"record", "-R", "-m", "1024", "-c", "1",
};
- unsigned int rec_argc, i, j;
+ unsigned int rec_argc, i, j, ret;
const char **rec_argv;

for (i = 0; i < ARRAY_SIZE(lock_tracepoints); i++) {
@@ -892,7 +894,7 @@ static int __cmd_record(int argc, const char **argv)
rec_argc += 2 * ARRAY_SIZE(lock_tracepoints);

rec_argv = calloc(rec_argc + 1, sizeof(char *));
- if (rec_argv == NULL)
+ if (!rec_argv)
return -ENOMEM;

for (i = 0; i < ARRAY_SIZE(record_args); i++)
@@ -908,7 +910,9 @@ static int __cmd_record(int argc, const char **argv)

BUG_ON(i != rec_argc);

- return cmd_record(i, rec_argv, NULL);
+ ret = cmd_record(i, rec_argv, NULL);
+ free(rec_argv);
+ return ret;
}

int cmd_lock(int argc, const char **argv, const char *prefix __maybe_unused)
--
1.8.1.4


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