Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [PATCH 11/15] parse-events: Let pevent_free() take a NULL pointer | Date | Wed, 25 Apr 2012 14:26:55 +0200 |
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From: Steven Rostedt <srostedt@redhat.com>
The pevent_free() should ack like other free()s and allow a NULL pointer to be passed to it which makes error handling a bit easier for the users of pevent_free().
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Arun Sharma <asharma@fb.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: David Ahern <dsahern@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> --- tools/lib/traceevent/event-parse.c | 13 ++++++++++--- 1 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index cdb32c7..4d5092f 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4960,13 +4960,20 @@ static void free_event(struct event_format *event) */ void pevent_free(struct pevent *pevent) { - struct cmdline_list *cmdlist = pevent->cmdlist, *cmdnext; - struct func_list *funclist = pevent->funclist, *funcnext; - struct printk_list *printklist = pevent->printklist, *printknext; + struct cmdline_list *cmdlist, *cmdnext; + struct func_list *funclist, *funcnext; + struct printk_list *printklist, *printknext; struct pevent_function_handler *func_handler; struct event_handler *handle; int i; + if (!pevent) + return; + + cmdlist = pevent->cmdlist; + funclist = pevent->funclist; + printklist = pevent->printklist; + pevent->ref_count--; if (pevent->ref_count) return; -- 1.7.5.4
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