tools lib traceevent: Get rid of malloc_or_die() in pevent_filter_alloc()

It returns NULL when allocation fails so the users should check the
return value from now on.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1386567251-22751-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index 2500e75583fc..b3a61d4fe38e 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -182,7 +182,10 @@ struct event_filter *pevent_filter_alloc(struct pevent *pevent)
 {
         struct event_filter *filter;
 
-        filter = malloc_or_die(sizeof(*filter));
+        filter = malloc(sizeof(*filter));
+        if (filter == NULL)
+                return NULL;
+
         memset(filter, 0, sizeof(*filter));
         filter->pevent = pevent;
         pevent_ref(pevent);