linux-kernel - Re: [PATCH v3] NFS: put net on idr allocation failure

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Date:	Tue, 22 May 2012 14:37:41 +0000
From:	"Myklebust, Trond" <Trond.Myklebust@...app.com>
To:	Stanislav Kinsbursky <skinsbursky@...allels.com>
CC:	"bfields@...ldses.org" <bfields@...ldses.org>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...nvz.org" <devel@...nvz.org>
Subject: Re: [PATCH v3] NFS: put net on idr allocation failure

On Tue, 2012-05-22 at 12:03 +0400, Stanislav Kinsbursky wrote:
> Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
> ---
>  fs/nfs/client.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/nfs/client.c b/fs/nfs/client.c
> index 44cd70f..ae29d4f 100644
> --- a/fs/nfs/client.c
> +++ b/fs/nfs/client.c
> @@ -176,8 +176,10 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
>  
>  #ifdef CONFIG_NFS_V4
>  	err = nfs_get_cb_ident_idr(clp, cl_init->minorversion);
> -	if (err)
> +	if (err) {
> +		put_net(clp->net);
>  		goto error_cleanup;
> +	}
>  
>  	spin_lock_init(&clp->cl_lock);
>  	INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
> 

Let's just move the actual get_net() call to the end of the function.

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@...app.com
www.netapp.com