Re: [PATCH for-4.14 v2] tools/xen-ucode: fix error code propagation of microcode load operation

[Jan Beulich <jbeulich@xxxxxxxx>]

On 16.06.2020 13:42, Igor Druzhinin wrote:
> @@ -62,8 +62,11 @@ int main(int argc, char *argv[])
>  
>      ret = xc_microcode_update(xch, buf, len);
>      if ( ret )
> +    {
>          fprintf(stderr, "Failed to update microcode. (err: %s)\n",
>                  strerror(errno));
> +        return errno;

I think you need to latch errno, as fprintf() may in principle run
into another error.

Jan