Commit-ID: 9608b84e4dd95341b88cad646b114811f5bccbba
Gitweb: http://git.kernel.org/tip/9608b84e4dd95341b88cad646b114811f5bccbba
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Wed, 16 Jul 2014 10:19:43 +0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 17 Jul 2014 10:32:35 -0300
perf thread: Allow deletion of a thread with no map groups
It needs to be possible to call thread__delete() on a thread with no map
groups.
This is needed for a subsequent patch which deletes a thread on the
error path before map groups have been attached.
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1405495184-20441-2-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/thread.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 7a32f44..b9c36ef 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -60,8 +60,10 @@ void thread__delete(struct thread *thread)
{
struct comm *comm, *tmp;
- map_groups__put(thread->mg);
- thread->mg = NULL;
+ if (thread->mg) {
+ map_groups__put(thread->mg);
+ thread->mg = NULL;
+ }
list_for_each_entry_safe(comm, tmp, &thread->comm_list, list) {
list_del(&comm->list);
comm__free(comm);
--
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