From 574799bfdbc3a13e0b5e2f6af34b761bde743a9a Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 17 Mar 2014 10:45:49 +0900 Subject: [PATCH] perf tools: Fix memory leak when synthesizing thread records Checking default guest machine should be done before allocating event structures otherwise it'll leak memory. Signed-off-by: Namhyung Kim Cc: Don Zickus Cc: Jiri Olsa Cc: Joe Mario Link: http://lkml.kernel.org/r/87ob15tx6a.fsf@sejong.aot.lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/event.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index ebb48a623407..9d12aa6dd485 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -446,6 +446,9 @@ int perf_event__synthesize_threads(struct perf_tool *tool, union perf_event *comm_event, *mmap_event, *fork_event; int err = -1; + if (machine__is_default_guest(machine)) + return 0; + comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); if (comm_event == NULL) goto out; @@ -458,9 +461,6 @@ int perf_event__synthesize_threads(struct perf_tool *tool, if (fork_event == NULL) goto out_free_mmap; - if (machine__is_default_guest(machine)) - return 0; - snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir); proc = opendir(proc_path); -- 2.20.1