[tip:perf/core] tools lib traceevent: test correct variable after allocation

[tip-bot for Sasha Levin <sasha.levin@oracle.com>]

Commit-ID:  fba7a78220fd969beeaa9abbb97c5f7027a7b4fd
Gitweb:     http://git.kernel.org/tip/fba7a78220fd969beeaa9abbb97c5f7027a7b4fd
Author:     Sasha Levin <sasha.levin@oracle.com>
AuthorDate: Fri, 21 Dec 2012 15:00:58 -0500
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 24 Jan 2013 16:40:16 -0300

tools lib traceevent: test correct variable after allocation

we've tested the wrong variable for allocation failure, fix it to
test the right one.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1356120062-2648-1-git-send-email-sasha.levin@oracle.com
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/lib/traceevent/event-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 5a824e3..7538a1f 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2481,7 +2481,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char **
 
 	free_token(token);
 	arg = alloc_arg();
-	if (!field) {
+	if (!arg) {
 		do_warning("%s: not enough memory!", __func__);
 		*tok = NULL;
 		return EVENT_ERROR;