Re: [Qemu-devel] [PATCH v2] migration: don't use uninitialized variables

[Luiz Capitulino <lcapitulino@redhat.com>]

On Tue, 30 Jul 2013 08:39:52 +0900
Pawit Pornkitprasan <p.pawit@gmail.com> wrote:

> The qmp_migrate method uses the 'blk' and 'inc' parameter without
> checking if they're valid or not (they may be uninitialized if
> command is received via QMP)
> 
> Signed-off-by: Pawit Pornkitprasan <p.pawit@gmail.com>

Applied to the qmp branch, thanks.

> ---
>  migration.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/migration.c b/migration.c
> index 9fc7294..57a7998 100644
> --- a/migration.c
> +++ b/migration.c
> @@ -399,8 +399,8 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
>      MigrationParams params;
>      const char *p;
>  
> -    params.blk = blk;
> -    params.shared = inc;
> +    params.blk = has_blk && blk;
> +    params.shared = has_inc && inc;
>  
>      if (s->state == MIG_STATE_ACTIVE || s->state == MIG_STATE_SETUP) {
>          error_set(errp, QERR_MIGRATION_ACTIVE);