[PATCH] perf tools: Fix the logic of thread__fork

[Tony Lu]

Revert the logic of checking the return value of thread__set_comm().

If thread__set_comm() returns zero without errors, we should not return
immediately, instead we should finish the rest of the clone work.
Otherwise, perf report would fail to resolve symbols sampled in forked
threads.

Signed-off-by: Zhigang Lu <zlu@xxxxxxxxxx>
---
 tools/perf/util/thread.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 49eaf1d..e394861 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -126,7 +126,7 @@ int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
 		if (!comm)
 			return -ENOMEM;
 		err = thread__set_comm(thread, comm, timestamp);
-		if (!err)
+		if (err)
 			return err;
 		thread->comm_set = true;
 	}
-- 
1.7.1
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