Re: [PATCH 3/6] hw/net/imx_fec: Rewrite fall through comments

[Richard Henderson <richard.henderson@linaro.org>]

On 12/17/19 7:34 AM, Philippe Mathieu-Daudé wrote:
> GCC9 is confused by this comment when building with CFLAG
> -Wimplicit-fallthrough=2:
> 
>   hw/net/imx_fec.c: In function ‘imx_eth_write’:
>   hw/net/imx_fec.c:906:12: error: this statement may fall through [-Werror=implicit-fallthrough=]
>     906 |         if (unlikely(single_tx_ring)) {
>         |            ^
>   hw/net/imx_fec.c:912:5: note: here
>     912 |     case ENET_TDAR:     /* FALLTHROUGH */
>         |     ^~~~
>   cc1: all warnings being treated as errors
> 
> Rewrite the comments in the correct place,  using 'fall through'
> which is recognized by GCC and static analyzers.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> Cc: Peter Chubb <peter.chubb@nicta.com.au>
> Cc: Peter Maydell <peter.maydell@linaro.org>
> Cc: Jason Wang <jasowang@redhat.com>
> Cc: qemu-arm@nongnu.org
> ---
>  hw/net/imx_fec.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~