Re: [PATCH 2/2] migration/rdma: cleanup rdma context before g_free to avoid memleaks

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Pan Nengyuan (pannengyuan@huawei.com) wrote:
> When error happen in initializing 'rdma_return_path', we should cleanup rdma context
> before g_free(rdma) to avoid some memleaks. This patch fix that.
> 
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>

Queued.

> ---
>  migration/rdma.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/migration/rdma.c b/migration/rdma.c
> index 72e8b1c95b..ec45d33ba3 100644
> --- a/migration/rdma.c
> +++ b/migration/rdma.c
> @@ -4094,20 +4094,20 @@ void rdma_start_outgoing_migration(void *opaque,
>          rdma_return_path = qemu_rdma_data_init(host_port, errp);
>  
>          if (rdma_return_path == NULL) {
> -            goto err;
> +            goto return_path_err;
>          }
>  
>          ret = qemu_rdma_source_init(rdma_return_path,
>              s->enabled_capabilities[MIGRATION_CAPABILITY_RDMA_PIN_ALL], errp);
>  
>          if (ret) {
> -            goto err;
> +            goto return_path_err;
>          }
>  
>          ret = qemu_rdma_connect(rdma_return_path, errp);
>  
>          if (ret) {
> -            goto err;
> +            goto return_path_err;
>          }
>  
>          rdma->return_path = rdma_return_path;
> @@ -4120,6 +4120,8 @@ void rdma_start_outgoing_migration(void *opaque,
>      s->to_dst_file = qemu_fopen_rdma(rdma, "wb");
>      migrate_fd_connect(s, NULL);
>      return;
> +return_path_err:
> +    qemu_rdma_cleanup(rdma);
>  err:
>      g_free(rdma);
>      g_free(rdma_return_path);
> -- 
> 2.18.2
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK