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Re: [Xen-devel] [PATCH v2 20/52] xen/arch/x86/shutdown.c: let custom parameter parsing routines return errno



>>> On 14.08.17 at 09:08, <jgross@xxxxxxxx> wrote:
> --- a/xen/arch/x86/shutdown.c
> +++ b/xen/arch/x86/shutdown.c
> @@ -51,7 +51,7 @@ static int reboot_mode;
>   * efi    Use the EFI reboot (if running under EFI)
>   */
>  static enum reboot_type reboot_type = BOOT_INVALID;
> -static void __init set_reboot_type(char *str)
> +static int __init set_reboot_type(char *str)
>  {
>      for ( ; ; )
>      {
> @@ -74,6 +74,8 @@ static void __init set_reboot_type(char *str)
>          case 't':
>              reboot_type = *str;
>              break;
> +        default:
> +            return -EINVAL;

This alters behavior - you want to store -EINVAL in a local variable,
but continue the loop.

Jan


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