Re: [Qemu-devel] [PATCH v3 12/23] linux-user: Call qcrypto_init if not using -seed

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

Hi Richard,

On 3/15/19 4:26 AM, Richard Henderson wrote:
> Cc: Laurent Vivier <laurent@vivier.eu>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  linux-user/main.c | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/linux-user/main.c b/linux-user/main.c
> index cf7095bdaf..8478306eef 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -38,6 +38,7 @@
>  #include "trace/control.h"
>  #include "target_elf.h"
>  #include "cpu_loop-common.h"
> +#include "crypto/init.h"
>  
>  char *exec_path;
>  
> @@ -686,8 +687,18 @@ int main(int argc, char **argv, char **envp)
>      if (seed_optarg == NULL) {
>          seed_optarg = getenv("QEMU_RAND_SEED");
>      }
> -    if (seed_optarg != NULL) {
> -        qemu_guest_random_seed_main(seed_optarg, &error_fatal);
> +    {

Since 7be41675f7c we use gnu99 C, so this extra block indentation can be
removed.

> +        Error *err = NULL;
> +        if (seed_optarg != NULL) {
> +            qemu_guest_random_seed_main(seed_optarg, &err);
> +        } else {
> +            /* ??? Assumes qcrypto is only used by qemu_guest_getrandom.  */
> +            qcrypto_init(&err);
> +        }
> +        if (err) {
> +            error_reportf_err(err, "cannot initialize crypto: ");
> +            exit(1);
> +        }
>      }
>  
>      target_environ = envlist_to_environ(envlist, NULL);
>