Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Assorted small fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf python: Properly link with libtraceevent
  perf hists browser: Add back callchain folding symbol
  perf tools: Fix build on sparc.
  perf python: Link with libtraceevent
  perf python: Initialize 'page_size' variable
  tools lib traceevent: Fix missed freeing of subargs in free_arg() in filter
  lib tools traceevent: Add back pevent assignment in __pevent_parse_format()
  perf hists browser: Fix off-by-two bug on the first column
  perf tools: Remove warnings on JIT samples for srcline sort key
  perf tools: Fix segfault when using srcline sort key
  perf: Require exclude_guest to use PEBS - kernel side enforcement
  perf tool: Precise mode requires exclude_guest

1 files changed, 6 insertions, 3 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 47264b4652b9..f2989c525e48 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2602,6 +2602,9 @@ find_func_handler(struct pevent *pevent, char *func_name)
 {
 	struct pevent_function_handler *func;
 
+	if (!pevent)
+		return NULL;
+
 	for (func = pevent->func_handlers; func; func = func->next) {
 		if (strcmp(func->name, func_name) == 0)
 			break;
@@ -4938,6 +4941,9 @@ enum pevent_errno __pevent_parse_format(struct event_format **eventp,
 		goto event_alloc_failed;
 	}
 
+	/* Add pevent to event so that it can be referenced */
+	event->pevent = pevent;
+
 	ret = event_read_format(event);
 	if (ret < 0) {
 		ret = PEVENT_ERRNO__READ_FORMAT_FAILED;
@@ -5041,9 +5047,6 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
 	if (event == NULL)
 		return ret;
 
-	/* Add pevent to event so that it can be referenced */
-	event->pevent = pevent;
-
 	if (add_event(pevent, event)) {
 		ret = PEVENT_ERRNO__MEM_ALLOC_FAILED;
 		goto event_add_failed;