From: Hao Ge <hao.ge@linux.dev>
To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
namhyung@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, hao.ge@linux.dev, Hao Ge <gehao@kylinos.cn>
Subject: [PATCH v2] perf bpf-filter: Return -ENOMEM directly when pfi allocation fails
Date: Wed, 13 Nov 2024 11:05:37 +0800 [thread overview]
Message-ID: <20241113030537.26732-1-hao.ge@linux.dev> (raw)
In-Reply-To: <ZzOJOEpyAc92462-@x1>
From: Hao Ge <gehao@kylinos.cn>
Directly return -ENOMEM when pfi allocation fails,
instead of performing other operations on pfi.
Fixes: 0fe2b18ddc40 ("perf bpf-filter: Support multiple events properly")
Signed-off-by: Hao Ge <gehao@kylinos.cn>
---
v2: Replace -1 with -ENOMEM as per Arnaldo's reminder.
Update title and commit message due to code change
---
tools/perf/util/bpf-filter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/bpf-filter.c b/tools/perf/util/bpf-filter.c
index e87b6789eb9e..a4fdf6911ec1 100644
--- a/tools/perf/util/bpf-filter.c
+++ b/tools/perf/util/bpf-filter.c
@@ -375,7 +375,7 @@ static int create_idx_hash(struct evsel *evsel, struct perf_bpf_filter_entry *en
pfi = zalloc(sizeof(*pfi));
if (pfi == NULL) {
pr_err("Cannot save pinned filter index\n");
- goto err;
+ return -ENOMEM;
}
pfi->evsel = evsel;
--
2.25.1
next prev parent reply other threads:[~2024-11-13 3:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-12 2:28 [PATCH] perf bpf-filter: Return -1 directly when pfi allocation fails Hao Ge
2024-11-12 16:58 ` Arnaldo Carvalho de Melo
2024-11-13 3:05 ` Hao Ge [this message]
2024-11-19 0:08 ` [PATCH v2] perf bpf-filter: Return -ENOMEM " Namhyung Kim
2024-11-22 22:17 ` Namhyung Kim
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