[PATCH 4.9 095/138] RDS: RDMA: fix the ib_map_mr_sg_zbva() argument

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>


[ Upstream commit 3e56c2f856d7aba6a03feea834d68f9c05f7d0b6 ]

Fixes warning: Using plain integer as NULL pointer

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/rds/ib_frmr.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -104,14 +104,15 @@ static int rds_ib_post_reg_frmr(struct r
 	struct rds_ib_frmr *frmr = &ibmr->u.frmr;
 	struct ib_send_wr *failed_wr;
 	struct ib_reg_wr reg_wr;
-	int ret;
+	int ret, off = 0;
 
 	while (atomic_dec_return(&ibmr->ic->i_fastreg_wrs) <= 0) {
 		atomic_inc(&ibmr->ic->i_fastreg_wrs);
 		cpu_relax();
 	}
 
-	ret = ib_map_mr_sg_zbva(frmr->mr, ibmr->sg, ibmr->sg_len, 0, PAGE_SIZE);
+	ret = ib_map_mr_sg_zbva(frmr->mr, ibmr->sg, ibmr->sg_len,
+				&off, PAGE_SIZE);
 	if (unlikely(ret != ibmr->sg_len))
 		return ret < 0 ? ret : -EINVAL;