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authorLi Zefan <lizf@cn.fujitsu.com>2009-09-17 04:34:23 -0400
committerIngo Molnar <mingo@elte.hu>2009-09-17 18:30:24 -0400
commit6706ccf8e776e51e38ffa89fe7dd20e80eb1e860 (patch)
tree2e329cde9b0f1e589789327b5dec199eb146c8fa /tools/perf/util/trace-event-info.c
parent40749d0ff49f99c3661b336fe5e5625207bd925a (diff)
perf tools: Fix memory leak in read_ftrace_printk()
get_tracing_file() should be paired with put_tracing_file(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <4AB1F48F.4070807@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/trace-event-info.c')
-rw-r--r--tools/perf/util/trace-event-info.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 6c9302a7274c..1fd824c1f1c4 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -458,7 +458,7 @@ static void read_proc_kallsyms(void)
458static void read_ftrace_printk(void) 458static void read_ftrace_printk(void)
459{ 459{
460 unsigned int size, check_size; 460 unsigned int size, check_size;
461 const char *path; 461 char *path;
462 struct stat st; 462 struct stat st;
463 int ret; 463 int ret;
464 464
@@ -468,14 +468,15 @@ static void read_ftrace_printk(void)
468 /* not found */ 468 /* not found */
469 size = 0; 469 size = 0;
470 write_or_die(&size, 4); 470 write_or_die(&size, 4);
471 return; 471 goto out;
472 } 472 }
473 size = get_size(path); 473 size = get_size(path);
474 write_or_die(&size, 4); 474 write_or_die(&size, 4);
475 check_size = copy_file(path); 475 check_size = copy_file(path);
476 if (size != check_size) 476 if (size != check_size)
477 die("error in size of file '%s'", path); 477 die("error in size of file '%s'", path);
478 478out:
479 put_tracing_file(path);
479} 480}
480 481
481static struct tracepoint_path * 482static struct tracepoint_path *