The following commit has been merged into the perf/urgent branch of tip: Commit-ID: ae199c580da1754a2b051321eeb76d6dacd8707b Gitweb: https://git.kernel.org/tip/ae199c580da1754a2b051321eeb76d6dacd8707b Author: Yunfeng Ye <yeyunfeng@xxxxxxxxxx> AuthorDate: Tue, 15 Oct 2019 10:54:14 +08:00 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitterDate: Tue, 15 Oct 2019 12:08:13 -03:00 perf c2c: Fix memory leak in build_cl_output() There is a memory leak problem in the failure paths of build_cl_output(), so fix it. Signed-off-by: Yunfeng Ye <yeyunfeng@xxxxxxxxxx> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: Feilong Lin <linfeilong@xxxxxxxxxx> Cc: Hu Shiyuan <hushiyuan@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lore.kernel.org/lkml/4d3c0178-5482-c313-98e1-f82090d2d456@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/builtin-c2c.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 3542b6a..e69f449 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -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)
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