Re: [RFC PATCH v6 3/5] softmmu/vl: Allow -fw_cfg 'blob_id' option to set any file pathname

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 5/19/20 8:20 PM, Philippe Mathieu-Daudé wrote:
> This is to silent:
> 
>    $ qemu-system-x86_64 \
>      -object tls-cipher-suites,id=ciphersuite0,priority=@SYSTEM \
>      -fw_cfg name=etc/edk2/https/ciphers,blob_id=ciphersuite0
>    qemu-system-x86_64: -fw_cfg name=etc/edk2/https/ciphers,blob_id=ciphersuite0: warning: externally provided fw_cfg item names should be prefixed with "opt/"

Oops, this was supposed to be the last patch of the series. RFC anyway.

> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>   softmmu/vl.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/softmmu/vl.c b/softmmu/vl.c
> index f76c53ad2e..3b77dcc00d 100644
> --- a/softmmu/vl.c
> +++ b/softmmu/vl.c
> @@ -2052,7 +2052,7 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
>                      FW_CFG_MAX_FILE_PATH - 1);
>           return -1;
>       }
> -    if (strncmp(name, "opt/", 4) != 0) {
> +    if (!nonempty_str(blob_id) && strncmp(name, "opt/", 4) != 0) {
>           warn_report("externally provided fw_cfg item names "
>                       "should be prefixed with \"opt/\"");
>       }
>