tracing: fix leak in event_format_read()
authorTom Zanussi <tzanussi@gmail.com>
Tue, 17 Mar 2009 06:20:59 +0000 (01:20 -0500)
committerIngo Molnar <mingo@elte.hu>
Tue, 17 Mar 2009 07:38:23 +0000 (08:38 +0100)
commitc269fc8c537d761f36cb98e637ae934d9331a9d5
treef354c1ea46d796d553e239cf6365dd92c2200182
parente4106133341121aeaad732d4613de06d9033b5ac
tracing: fix leak in event_format_read()

Impact: fix memory leak

If event_format_read() exits early due to nonzero ppos, the
previous kmalloc doesn't get freed - might as well do the
check before the kmalloc and avoid the problem.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: =?ISO-8859-1?Q?Fr=E9d=E9ric?= Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237270859.8033.141.camel@charm-linux>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/trace/trace_events.c