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Re: [Qemu-trivial] [PATCH] scsi-disk: Use (unsigned long) typecasts when


From: Paolo Bonzini
Subject: Re: [Qemu-trivial] [PATCH] scsi-disk: Use (unsigned long) typecasts when using "%lu" format string
Date: Mon, 13 Jun 2016 12:03:38 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0


On 13/06/2016 10:10, Thomas Huth wrote:
> Some source code analyzers like cppcheck spill out a warning if
> the sign of the argument does not match the format string.
> 
> Ticket: https://bugs.launchpad.net/qemu/+bug/1589564
> Signed-off-by: Thomas Huth <address@hidden>
> ---
>  hw/scsi/scsi-disk.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
> index 1881969..36f8a85 100644
> --- a/hw/scsi/scsi-disk.c
> +++ b/hw/scsi/scsi-disk.c
> @@ -2060,13 +2060,13 @@ static int32_t scsi_disk_emulate_command(SCSIRequest 
> *req, uint8_t *buf)
>          }
>          break;
>      case MODE_SELECT:
> -        DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer);
> +        DPRINTF("Mode Select(6) (len %lu)\n", (unsigned 
> long)r->req.cmd.xfer);
>          break;
>      case MODE_SELECT_10:
> -        DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer);
> +        DPRINTF("Mode Select(10) (len %lu)\n", (unsigned 
> long)r->req.cmd.xfer);
>          break;
>      case UNMAP:
> -        DPRINTF("Unmap (len %lu)\n", (long)r->req.cmd.xfer);
> +        DPRINTF("Unmap (len %lu)\n", (unsigned long)r->req.cmd.xfer);
>          break;
>      case VERIFY_10:
>      case VERIFY_12:
> @@ -2080,7 +2080,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest 
> *req, uint8_t *buf)
>      case WRITE_SAME_16:
>          DPRINTF("WRITE SAME %d (len %lu)\n",
>                  req->cmd.buf[0] == WRITE_SAME_10 ? 10 : 16,
> -                (long)r->req.cmd.xfer);
> +                (unsigned long)r->req.cmd.xfer);
>          break;
>      default:
>          DPRINTF("Unknown SCSI command (%2.2x=%s)\n", buf[0],
> 

Queued, thanks.

Paolo



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