[Virtio-fs] [PATCH 1/5] virtiofsd: cleanup allocated resource in se

[Dr. David Alan Gilbert]

* Liu Bo (bo.liu at linux.alibaba.com) wrote:
> This cleans up unfreed resources in se on quiting, including
> se->virtio_dev, se->vu_socket_path, se->vu_socketfd.
> 
> Signed-off-by: Liu Bo <bo.liu at linux.alibaba.com>
> ---
>  contrib/virtiofsd/fuse_lowlevel.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/contrib/virtiofsd/fuse_lowlevel.c b/contrib/virtiofsd/fuse_lowlevel.c
> index 0fc2880..de700ad 100644
> --- a/contrib/virtiofsd/fuse_lowlevel.c
> +++ b/contrib/virtiofsd/fuse_lowlevel.c
> @@ -2557,6 +2557,12 @@ void fuse_session_destroy(struct fuse_session *se)
>  	free(se->cuse_data);
>  	if (se->fd != -1)
>  		close(se->fd);
> +
> +        free(se->virtio_dev);
> +        se->virtio_dev = NULL;

We don't touch virtio_dev or vu_socketfd anywhere else in fuse_lowlevel.c -
so we should probably do this cleanup in fuse_virtio.c, and then have
something like:

   if (se->vu_socket_path) {
     virtio_session_close(se);
     free(se->vu_socket_path);
     se->vu_socket_path = NULL;
   }


> +        free(se->vu_socket_path);
> +        close(se->vu_socketfd);
> +
>  	free(se);
>  }
>  
> -- 
> 1.8.3.1
> 
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--
Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK