On Mon, Feb 01, 2016 at 03:42:47PM +0530, Jitendra Bhivare wrote:
> In open with IP of unknown address family, only tag is freed and error
> returned. MCC WRB allocated for the operation is not freed.
> 
> Added check for supported family of IP in the beginning before
> allocating the tag and WRB.
> 
> Signed-off-by: Jitendra Bhivare <jitendra.bhiv...@avagotech.com>
> ---
>  drivers/scsi/be2iscsi/be_mgmt.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
> index 85044b8..ccac1d7 100644
> --- a/drivers/scsi/be2iscsi/be_mgmt.c
> +++ b/drivers/scsi/be2iscsi/be_mgmt.c
> @@ -829,6 +829,13 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
>       unsigned short cid = beiscsi_ep->ep_cid;
>       struct be_sge *sge;
>  
> +     if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) {
> +             beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
> +                         "BG_%d : unknown addr family %d\n",
> +                         dst_addr->sa_family);
> +             return -EINVAL;
> +     }
> +
>       phwi_ctrlr = phba->phwi_ctrlr;
>       phwi_context = phwi_ctrlr->phwi_ctxt;
>  
> @@ -868,7 +875,8 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
>               beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
>               beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
>               beiscsi_ep->ip_type = BE2_IPV4;
> -     } else if (dst_addr->sa_family == PF_INET6) {
> +     } else {
> +             /* else its PF_INET6 family */
>               req->ip_address.ip_type = BE2_IPV6;
>               memcpy(&req->ip_address.addr,
>                      &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
> @@ -877,14 +885,6 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
>               memcpy(&beiscsi_ep->dst6_addr,
>                      &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
>               beiscsi_ep->ip_type = BE2_IPV6;
> -     } else{
> -             beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
> -                         "BG_%d : unknown addr family %d\n",
> -                         dst_addr->sa_family);
> -             mutex_unlock(&ctrl->mbox_lock);
> -             free_mcc_tag(&phba->ctrl, tag);
> -             return -EINVAL;
> -
>       }
>       req->cid = cid;
>       i = phba->nxt_cqid++;
> -- 
> 2.5.0
> 
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Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
-- 
Johannes Thumshirn                                          Storage
jthumsh...@suse.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
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