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authorNamhyung Kim <namhyung@kernel.org>2012-09-25 21:25:19 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-25 09:53:53 -0300
commitf1b2256d66fe8d613b9afcc1c16079362f9fc05c (patch)
treee1d09be0668b8f42d7a15ba030692d853ce1aa36
parentaf9da88f14cbe6882b13492b59b3363682427b4d (diff)
downloadlinux-f1b2256d66fe8d613b9afcc1c16079362f9fc05c.tar.gz
tools lib traceevent: Fix error path on pevent_parse_event
If __pevent_parse_format() succeeded but add_event() failed, 'ret' didn't
have a proper error code.  Set it to PEVENT_ERRNO__MEM_ALLOC_FAILED.

In addition, at that point 'event' also has fields and format
information and they all need to be freed.  Call pevent_free_format() to
handle it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1348575919-4954-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/lib/traceevent/event-parse.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 17c922145e88..47264b4652b9 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5044,8 +5044,10 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
 	/* Add pevent to event so that it can be referenced */
 	event->pevent = pevent;
 
-	if (add_event(pevent, event))
+	if (add_event(pevent, event)) {
+		ret = PEVENT_ERRNO__MEM_ALLOC_FAILED;
 		goto event_add_failed;
+	}
 
 #define PRINT_ARGS 0
 	if (PRINT_ARGS && event->print_fmt.args)
@@ -5054,9 +5056,7 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
 	return 0;
 
 event_add_failed:
-	free(event->system);
-	free(event->name);
-	free(event);
+	pevent_free_format(event);
 	return ret;
 }