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Hangbin Liu 6afdaf29e4 libbpf: Close map fd if init map slots failed

[ Upstream commit a0f2b7acb4 ]

Previously we forgot to close the map fd if bpf_map_update_elem()
failed during map slot init, which will leak map fd.

Let's move map slot initialization to new function init_map_slots() to
simplify the code. And close the map fd if init slot failed.

Reported-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201006021345.3817033-2-liuhangbin@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-10-29 10:08:21 +01:00

api

libsymbols kallsyms: Parse using io api

2020-05-05 16:35:32 -03:00

bpf

libbpf: Close map fd if init map slots failed

2020-10-29 10:08:21 +01:00

lockdep

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

perf

perf stat: Fix out of bounds CPU map access when handling armv8_pmu events