bpf: Handle return value of ftrace_set_filter_ip in register_fentry

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The error that returned by ftrace_set_filter_ip() in register_fentry() is
not handled properly. Just fix it.

Fixes: 00963a2e75 ("bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)")
Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20251110120705.1553694-1-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Menglong Dong 2025-11-10 20:07:05 +08:00 • committed by Alexei Starovoitov

parent e5d2e34e72

commit fea3f5e83c

1 changed files with 3 additions and 1 deletions

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kernel/bpf/trampoline.c

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