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-rw-r--r--tools/perf/util/data.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 08c4bfbd817f..98661ede2a73 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -204,7 +204,12 @@ static bool check_pipe(struct perf_data *data)
data->file.fd = fd;
data->use_stdio = false;
}
- } else {
+
+ /*
+ * When is_pipe and data->file.fd is given, use given fd
+ * instead of STDIN_FILENO or STDOUT_FILENO
+ */
+ } else if (data->file.fd <= 0) {
data->file.fd = fd;
}
}