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H A D | user_ringbuf_success.c | 6e44b9f3 Wed Oct 12 18:20:15 CDT 2022 David Vernet <void@manifault.com> selftests/bpf: Make bpf_user_ringbuf_drain() selftest callback return 1
In commit 1bfe26fb0827 ("bpf: Add verifier support for custom callback return range"), the verifier was updated to require callbacks to BPF helpers to explicitly specify the range of values that can be returned. bpf_user_ringbuf_drain() was merged after this in commit 205715673844 ("bpf: Add bpf_user_ringbuf_drain() helper"), and this change in default behavior was missed. This patch updates the BPF_MAP_TYPE_USER_RINGBUF selftests to also return 1 from a bpf_user_ringbuf_drain() callback so as to properly test this going forward.
Signed-off-by: David Vernet <void@manifault.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20221012232015.1510043-3-void@manifault.com
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