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authorAdrian Hunter <adrian.hunter@intel.com>2014-07-16 11:19:43 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-07-17 17:32:35 +0400
commit9608b84e4dd95341b88cad646b114811f5bccbba (patch)
tree71783eeda6ca0000f604328c5929644444c07323 /tools/perf/util/thread.c
parent29ce36121e6738012aaf00d983d25260627f2b0d (diff)
downloadlinux-9608b84e4dd95341b88cad646b114811f5bccbba.tar.xz
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@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1405495184-20441-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread.c')
-rw-r--r--tools/perf/util/thread.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 7a32f447a8e7..b9c36ef42d2f 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);