[ofa-general] [PATCH 2.6.30 1/2] RDMA/cxgb3: sgl/pbl offset calculation is 64b.

[Steve Wise]

From: Steve Wise <swise at opengridcomputing.com>

The variable 'offset' in iwch_sgl2pbl_map() needs to be a u64.

Signed-off-by: Steve Wise <swise at opengridcomputing.com>
---

 drivers/infiniband/hw/cxgb3/iwch_qp.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 19661b2..2cf6f13 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -195,15 +195,12 @@ static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
 	return 0;
 }
 
-/*
- * TBD: this is going to be moved to firmware. Missing pdid/qpid check for now.
- */
 static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
 			    u32 num_sgle, u32 * pbl_addr, u8 * page_size)
 {
 	int i;
 	struct iwch_mr *mhp;
-	u32 offset;
+	u64 offset;
 	for (i = 0; i < num_sgle; i++) {
 
 		mhp = get_mhp(rhp, (sg_list[i].lkey) >> 8);
@@ -235,7 +232,7 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
 			return -EINVAL;
 		}
 		offset = sg_list[i].addr - mhp->attr.va_fbo;
-		offset += ((u32) mhp->attr.va_fbo) %
+		offset += ((u64) mhp->attr.va_fbo) %
 		          (1UL << (12 + mhp->attr.page_size));
 		pbl_addr[i] = ((mhp->attr.pbl_addr -
 			        rhp->rdev.rnic_info.pbl_base) >> 3) +