Re: [patch 2/2] xprtrdma: checking for NULL instead of IS_ERR()

[Anna Schumaker <Anna.Schumaker@netapp.com>]

On 11/05/2015 03:39 AM, Dan Carpenter wrote:
> The rpcrdma_create_req() function returns error pointers or success.  It
> never returns NULL.
> 
> Fixes: f531a5dbc451 ('xprtrdma: Pre-allocate backward rpc_rqst and send/receive buffers')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks, Dan! These patches don't look urgent, so if it's okay with you then I'll save them for 4.5.

Anna

> 
> diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
> index 2dcb44f..97554ca 100644
> --- a/net/sunrpc/xprtrdma/backchannel.c
> +++ b/net/sunrpc/xprtrdma/backchannel.c
> @@ -42,8 +42,8 @@ static int rpcrdma_bc_setup_rqst(struct rpcrdma_xprt *r_xprt,
>  	size_t size;
>  
>  	req = rpcrdma_create_req(r_xprt);
> -	if (!req)
> -		return -ENOMEM;
> +	if (IS_ERR(req))
> +		return PTR_ERR(req);
>  	req->rl_backchannel = true;
>  
>  	size = RPCRDMA_INLINE_WRITE_THRESHOLD(rqst);
> --
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