[PATCH v6 05/16] perf test: Reset err after using it hold errcode in hist testcases

All hists test cases forget to reset err after using it to hold an error code. If error occure in setup_fake_machine() it incorrectly return TEST_OK. This patch fixes it. Signed-off-by: Wang Nan Suggested-by: Namhyung Kim Acked-by: Namhyung Kim Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc:

[PATCH v6 05/16] perf test: Reset err after using it hold errcode in hist testcases

All hists test cases forget to reset err after using it to hold an error code. If error occure in setup_fake_machine() it incorrectly return TEST_OK. This patch fixes it. Signed-off-by: Wang Nan Suggested-by: Namhyung Kim Acked-by: Namhyung Kim