From: David Vernet Date: Wed, 12 Oct 2022 23:20:15 +0000 (-0500) Subject: selftests/bpf: Make bpf_user_ringbuf_drain() selftest callback return 1 X-Git-Tag: v6.1-rc3~35^2~2^2~4^2 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6e44b9f375a3135fc4960d76a9ea6720625cad73;p=users%2Fdwmw2%2Flinux.git 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 Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20221012232015.1510043-3-void@manifault.com --- diff --git a/tools/testing/selftests/bpf/progs/user_ringbuf_success.c b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c index 099c23d9aa21b..b39093dd57159 100644 --- a/tools/testing/selftests/bpf/progs/user_ringbuf_success.c +++ b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c @@ -47,14 +47,14 @@ record_sample(struct bpf_dynptr *dynptr, void *context) if (status) { bpf_printk("bpf_dynptr_read() failed: %d\n", status); err = 1; - return 0; + return 1; } } else { sample = bpf_dynptr_data(dynptr, 0, sizeof(*sample)); if (!sample) { bpf_printk("Unexpectedly failed to get sample\n"); err = 2; - return 0; + return 1; } stack_sample = *sample; }