Re: [PATCH -next] bpf: remove set but not used variable 'dst_known'

[Song Liu]

> On Apr 13, 2020, at 4:37 AM, Mao Wenan <maowenan@xxxxxxxxxx> wrote:
> 
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> kernel/bpf/verifier.c:5603:18: warning: variable âdst_knownâ
> set but not used [-Wunused-but-set-variable]
> 
> It is not used since commit f1174f77b50c ("bpf/verifier:
> rework value tracking")

The fix makes sense. But I think f1174f77b50c introduced dst_known, 
so this statement is not accurate. 

> 
> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>