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| author | Andrii Nakryiko <[email protected]> | 2020-12-03 12:46:21 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2020-12-03 17:38:20 -0800 |
| commit | 12cc126df82c96c89706aa207ad27c56f219047c (patch) | |
| tree | 481eb62be58a08f279c73fd34f2d9f9f16c786af /tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | |
| parent | cadd64807cd83e2213dcb70f93d12d978c02b5fa (diff) | |
bpf: Fix bpf_put_raw_tracepoint()'s use of __module_address()
__module_address() needs to be called with preemption disabled or with
module_mutex taken. preempt_disable() is enough for read-only uses, which is
what this fix does. Also, module_put() does internal check for NULL, so drop
it as well.
Fixes: a38d1107f937 ("bpf: support raw tracepoints in modules")
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Acked-by: Martin KaFai Lau <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c')
0 files changed, 0 insertions, 0 deletions