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Commit 6706ccf8 authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

perf tools: Fix memory leak in read_ftrace_printk() 



get_tracing_file() should be paired with put_tracing_file().

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Acked-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <4AB1F48F.4070807@cn.fujitsu.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 40749d0f

tools/perf/util/trace-event-info.c

+4 −3
Original line number Diff line number Diff line
@@ -458,7 +458,7 @@ static void read_proc_kallsyms(void) 
static void read_ftrace_printk(void)

{

	unsigned int size, check_size;

	const char *path;

	char *path;

	struct stat st;

	int ret;
@@ -468,14 +468,15 @@ static void read_ftrace_printk(void) 
		/* not found */

		size = 0;

		write_or_die(&size, 4);

		return;

		goto out;

	}

	size = get_size(path);

	write_or_die(&size, 4);

	check_size = copy_file(path);

	if (size != check_size)

		die("error in size of file '%s'", path);



out:

	put_tracing_file(path);

}



static struct tracepoint_path *