diff options
Diffstat (limited to 'tools/perf/util/thread.c')
| -rw-r--r-- | tools/perf/util/thread.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 634b7f7140d..9e8995eaf2b 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -36,7 +36,10 @@ int thread__set_comm(struct thread *self, const char *comm) if (self->comm) free(self->comm); self->comm = strdup(comm); - return self->comm ? 0 : -ENOMEM; + if (self->comm == NULL) + return -ENOMEM; + self->comm_set = true; + return 0; } int thread__comm_len(struct thread *self) @@ -255,11 +258,14 @@ int thread__fork(struct thread *self, struct thread *parent) { int i; - if (self->comm) - free(self->comm); - self->comm = strdup(parent->comm); - if (!self->comm) - return -ENOMEM; + if (parent->comm_set) { + if (self->comm) + free(self->comm); + self->comm = strdup(parent->comm); + if (!self->comm) + return -ENOMEM; + self->comm_set = true; + } for (i = 0; i < MAP__NR_TYPES; ++i) if (map_groups__clone(&self->mg, &parent->mg, i) < 0) |