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perf c2c: Fix memory leak in build_cl_output()

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There is a memory leak problem in the failure paths of
build_cl_output(), so fix it.

Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Feilong Lin <linfeilong@huawei.com>
Cc: Hu Shiyuan <hushiyuan@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/4d3c0178-5482-c313-98e1-f82090d2d456@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Yunfeng Ye 2019-10-15 10:54:14 +08:00 committed by Arnaldo Carvalho de Melo
parent 5a0baf5123
commit ae199c580d
1 changed files with 9 additions and 5 deletions
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14
tools/perf/builtin-c2c.c
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@ -2635,6 +2635,7 @@ static int build_cl_output(char *cl_sort, bool no_source)
bool add_sym = false;
bool add_dso = false;
bool add_src = false;
int ret = 0;
if (!buf)
return -ENOMEM;
@ -2653,7 +2654,8 @@ static int build_cl_output(char *cl_sort, bool no_source)
add_dso = true;
} else if (strcmp(tok, "offset")) {
pr_err("unrecognized sort token: %s\n", tok);
return -EINVAL;
ret = -EINVAL;
goto err;
}
}
@ -2676,13 +2678,15 @@ static int build_cl_output(char *cl_sort, bool no_source)
add_sym ? "symbol," : "",
add_dso ? "dso," : "",
add_src ? "cl_srcline," : "",
"node") < 0)
return -ENOMEM;
"node") < 0) {
ret = -ENOMEM;
goto err;
}
c2c.show_src = add_src;
err:
free(buf);
return 0;
return ret;
}
static int setup_coalesce(const char *coalesce, bool no_source)