Re: [PATCH v3 04/12] scsi/esp-pci: Remove redundant statement in esp_pci_io_write()

[Laurent Vivier]

Le 02/03/2020 à 14:07, Chen Qun a écrit :
> Clang static code analyzer show warning:
>   hw/scsi/esp-pci.c:198:9: warning: Value stored to 'size' is never read
>         size = 4;
>         ^      ~
> 
> Reported-by: Euler Robot <address@hidden>
> Signed-off-by: Chen Qun <address@hidden>
> ---
> Cc: Paolo Bonzini <address@hidden>
> Cc:Fam Zheng <address@hidden>
> ---
>  hw/scsi/esp-pci.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
> index d5a1f9e017..2e6cc07d4e 100644
> --- a/hw/scsi/esp-pci.c
> +++ b/hw/scsi/esp-pci.c
> @@ -195,7 +195,6 @@ static void esp_pci_io_write(void *opaque, hwaddr addr,
>          val <<= shift;
>          val |= current & ~(mask << shift);
>          addr &= ~3;
> -        size = 4;
>      }

perhaps a "g_assert(size >= 4)" instead would be cleaner to mute the
warning?

I think it's a good point to update the size if in the future the code
below is modified to use size.

Thanks,
Laurent