Zheng Yejian fb991f1942 tracing/histograms: Simplify create_hist_fields() ...

When I look into implements of create_hist_fields(), I think there can be
following two simplifications:
  1. If something wrong happened in parse_var_defs(), free_var_defs() would
     have been called in it, so no need goto free again after calling it;
  2. After calling create_key_fields(), regardless of the value of 'ret', it
     then always runs into 'out: ', so the judge of 'ret' is redundant.

Link: https://lkml.kernel.org/r/20220630013152.164871-1-zhengyejian1@huawei.com

Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

2022-07-12 17:35:11 -04:00

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