Re: [PATCH] perf/core: Mark expected switch fall-through

[Gustavo A. R. Silva]

Hi all,

Friendly ping:

Who can ack or review this, please?

Thanks
--
Gustavo

On 2/12/19 2:54 PM, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
> 
> This patch fixes the following warning:
> 
> kernel/events/core.c: In function âperf_event_parse_addr_filterâ:
> kernel/events/core.c:9154:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     kernel = 1;
>     ~~~~~~~^~~
> kernel/events/core.c:9156:3: note: here
>    case IF_SRC_FILEADDR:
>    ^~~~
> 
> Warning level 3 was used: -Wimplicit-fallthrough=3
> 
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
>  kernel/events/core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index ac194d3aae32..343ee21ab958 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -9152,6 +9152,7 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr,
>  		case IF_SRC_KERNELADDR:
>  		case IF_SRC_KERNEL:
>  			kernel = 1;
> +			/* fall through */
>  
>  		case IF_SRC_FILEADDR:
>  		case IF_SRC_FILE:
>