Re: [PATCH bpf-next] samples/bpf: hbm: Fix compile error about fallthrough marking

[Daniel Borkmann]

On 5/22/23 5:20 AM, Rong Tao wrote:
> From: Rong Tao <rongtao@xxxxxxxx>
>
> commit f7a858bffcdd("tools: Rename __fallthrough to fallthrough") rename
> macro __fallthrough to fallthrough, commit 4b7ef71ac977("bpftool: Replace
> "__fallthrough" by a comment to address merge conflict") use comments to
> replace __fallthrough, here we can use fallthrough directly.
>
> Compiling samples/bpf hits an error related to fallthrough marking:
>      ...
>      CC  samples/bpf/hbm.o
>      linux/samples/bpf/hbm.c: In function ‘main’:
>      linux/samples/bpf/hbm.c:501:25: error: ‘__fallthrough’ undeclared
>      (first use in this function); did you mean ‘fallthrough’?
>      501 |                         __fallthrough;
>          |                         ^~~~~~~~~~~~~
>          |                         fallthrough
>
> Signed-off-by: Rong Tao <rongtao@xxxxxxxx>
> ---
>   samples/bpf/hbm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Fixed here already:

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=a820ca1a739b7e3ee0ddb48bdfa3c09dc7cd4302