Re: [PATCH bpf-next v3] bpf: Only provide bpf_sock_from_file with CONFIG_NET

[Martin KaFai Lau]

On Tue, Dec 08, 2020 at 06:36:23PM +0100, Florent Revest wrote:
> This moves the bpf_sock_from_file definition into net/core/filter.c
> which only gets compiled with CONFIG_NET and also moves the helper proto
> usage next to other tracing helpers that are conditional on CONFIG_NET.
> 
> This avoids
>   ld: kernel/trace/bpf_trace.o: in function `bpf_sock_from_file':
>   bpf_trace.c:(.text+0xe23): undefined reference to `sock_from_file'
> When compiling a kernel with BPF and without NET.
Acked-by: Martin KaFai Lau <kafai@xxxxxx>