On 11/20/2015 05:53 AM, Markus Armbruster wrote:
> Spotted by Coverity.
> 
> Signed-off-by: Markus Armbruster <arm...@redhat.com>
> ---
>  block/qapi.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/block/qapi.c b/block/qapi.c
> index d20262d..267f147 100644
> --- a/block/qapi.c
> +++ b/block/qapi.c
> @@ -436,7 +436,9 @@ BlockInfoList *qmp_query_block(Error **errp)
>          bdrv_query_info(blk, &info->value, &local_err);
>          if (local_err) {
>              error_propagate(errp, local_err);
> -            goto err;
> +            g_free(info);
> +            qapi_free_BlockInfoList(head);
> +            return NULL;
>          }
>  

Only info was leaked, but inlining the entire 'err' label into its one
use was easier than hoisting the declaration of info out of the loop.

Reviewed-by: Eric Blake <ebl...@redhat.com>

>          *p_next = info;
> @@ -444,10 +446,6 @@ BlockInfoList *qmp_query_block(Error **errp)
>      }
>  
>      return head;
> -
> - err:
> -    qapi_free_BlockInfoList(head);
> -    return NULL;
>  }
>  
>  BlockStatsList *qmp_query_blockstats(bool has_query_nodes,
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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