diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 160b82694d39..bc16a57e0927 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -229,7 +229,6 @@ he__get_c2c_hists(struct hist_entry *he, ret = c2c_hists__init(hists, sort, nr_header_lines, env); if (ret) { - perf_hpp__reset_output_field(&hists->list); c2c_he->hists = NULL; free(hists); return NULL; @@ -2147,6 +2146,8 @@ static int c2c_hists__init(struct c2c_hists *hists, int nr_header_lines, struct perf_env *env) { + int ret; + __hists__init(&hists->hists, &hists->list); /* @@ -2159,7 +2160,13 @@ static int c2c_hists__init(struct c2c_hists *hists, /* Overload number of header lines.*/ hists->list.nr_header_lines = nr_header_lines; - return hpp_list__parse(&hists->list, /*output=*/NULL, sort, env); + ret = hpp_list__parse(&hists->list, /*output=*/NULL, sort, env); + + /* Unregister any formats added before the failure point */ + if (ret) + perf_hpp__reset_output_field(&hists->list); + + return ret; } static int c2c_hists__reinit(struct c2c_hists *c2c_hists, @@ -2167,8 +2174,16 @@ static int c2c_hists__reinit(struct c2c_hists *c2c_hists, const char *sort, struct perf_env *env) { + int ret; + perf_hpp__reset_output_field(&c2c_hists->list); - return hpp_list__parse(&c2c_hists->list, output, sort, env); + ret = hpp_list__parse(&c2c_hists->list, output, sort, env); + + /* Unregister any formats added before the failure point */ + if (ret) + perf_hpp__reset_output_field(&c2c_hists->list); + + return ret; } #define DISPLAY_LINE_LIMIT 0.001