From: Yunfeng Ye yeyunfeng@huawei.com
[ Upstream commit 6080728ff8e9c9116e52e6f840152356ac2fea56 ]
Both build_mem_topology() and rm_rf_depth_pat() have resource leaks of closedir() on the error paths.
Fix this by calling closedir() before function returns.
Fixes: e2091cedd51b ("perf tools: Add MEM_TOPOLOGY feature to perf data file") Fixes: cdb6b0235f17 ("perf tools: Add pattern name checking to rm_rf") Signed-off-by: Yunfeng Ye yeyunfeng@huawei.com Acked-by: Jiri Olsa jolsa@kernel.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Alexei Starovoitov ast@kernel.org Cc: Alexey Budankov alexey.budankov@linux.intel.com Cc: Andi Kleen ak@linux.intel.com Cc: Daniel Borkmann daniel@iogearbox.net Cc: Feilong Lin linfeilong@huawei.com Cc: Hu Shiyuan hushiyuan@huawei.com Cc: Igor Lubashev ilubashe@akamai.com Cc: Kan Liang kan.liang@linux.intel.com Cc: Mark Rutland mark.rutland@arm.com Cc: Martin KaFai Lau kafai@fb.com Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Song Liu songliubraving@fb.com Cc: Yonghong Song yhs@fb.com Link: http://lore.kernel.org/lkml/cd5f7cd2-b80d-6add-20a1-32f4f43e0744@huawei.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/header.c | 4 +++- tools/perf/util/util.c | 6 ++++-- 2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index e95a2a26c40a8..277cdf1fc5ac8 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1282,8 +1282,10 @@ static int build_mem_topology(struct memory_node *nodes, u64 size, u64 *cntp) continue;
if (WARN_ONCE(cnt >= size, - "failed to write MEM_TOPOLOGY, way too many nodes\n")) + "failed to write MEM_TOPOLOGY, way too many nodes\n")) { + closedir(dir); return -1; + }
ret = memory_node__read(&nodes[cnt++], idx); } diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index a61535cf1bca2..d0930c38e147e 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -176,8 +176,10 @@ static int rm_rf_depth_pat(const char *path, int depth, const char **pat) if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) continue;
- if (!match_pat(d->d_name, pat)) - return -2; + if (!match_pat(d->d_name, pat)) { + ret = -2; + break; + }
scnprintf(namebuf, sizeof(namebuf), "%s/%s", path, d->d_name);