lkml.org 
[lkml]   [2019]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH][bpf-next] bpf: verifier: avoid fall-through warnings
From
Date
On 07/11/2019 06:22 PM, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, this patch silences
> the following warning:
>
> kernel/bpf/verifier.c: In function ‘check_return_code’:
> kernel/bpf/verifier.c:6106:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
> if (env->prog->expected_attach_type == BPF_CGROUP_UDP4_RECVMSG ||
> ^
> kernel/bpf/verifier.c:6109:2: note: here
> case BPF_PROG_TYPE_CGROUP_SKB:
> ^~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> Notice that is much clearer to explicitly add breaks in each case
> statement (that actually contains some code), rather than letting
> the code to fall through.
>
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Acked-by: Andrii Nakryiko <andriin@fb.com>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Looks good, applied to bpf, thanks.

\
 
 \ /
  Last update: 2019-07-12 15:42    [W:0.030 / U:15.652 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site