[PATCH AUTOSEL for 4.9 04/56] RDS: RDMA: fix the ib_map_mr_sg_zbva() argument

From: alexander . levin
Date: Wed Nov 22 2017 - 18:24:56 EST


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>
---
net/rds/ib_frmr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c
index d921adc62765..66b3d6228a15 100644
--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -104,14 +104,15 @@ static int rds_ib_post_reg_frmr(struct rds_ib_mr *ibmr)
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;

--
2.11.0