[ofw] [PATCH] mlx4u.dll: initialize QP pointer before use

[Leonid Keller]

Good catch !
You may commit it. 

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Sean Hefty
> Sent: Saturday, January 17, 2009 2:43 AM
> To: ofw at lists.openfabrics.org
> Subject: [ofw] [PATCH] mlx4u.dll: initialize QP pointer before use
> 
> We need to initialize the qp pointer to NULL to avoid 
> accessing some random memory location when polling for 
> completions.  Without this, calls to
> mlx4_poll_cq_array() can crash in mlx4_poll_one().
> 
> Signed-off-by: Sean Hefty <sean.hefty at intel.com>
> ---
> A bonus patch!  To make it easier, I can commit this when 
> committing the rdma cm support.
> 
> Index: hw/mlx4/user/hca/cq.c
> ===================================================================
> --- hw/mlx4/user/hca/cq.c	(revision 1794)
> +++ hw/mlx4/user/hca/cq.c	(working copy)
> @@ -348,7 +348,7 @@
>  			const int num_entries, uvp_wc_t* const wc)  {
>  	struct mlx4_cq *cq = to_mcq((struct ibv_cq 
> *)/*Ptr64ToPtr(*/ h_cq /*)*/);
> -	struct mlx4_qp *qp;
> +	struct mlx4_qp *qp = NULL;
>  	int ne;
>  	int err = CQ_EMPTY;
>  
> 
>