From: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
The SQ is shared for between kernel and used by storing
the kernel page pointer and passing that to a kmap_atomic().
This then requires that the alignment is PAGE_SIZE aligned.
Fix by adding an iWarp specific alignment check.
Fixes: e965ef0e7b2c ("RDMA/irdma: Split QP handler into irdma_reg_user_mr_type_qp")
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
---
drivers/infiniband/hw/irdma/verbs.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 5fa88e6cca4e..fb9088392b19 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -2946,6 +2946,11 @@ static int irdma_reg_user_mr_type_qp(struct irdma_mem_reg_req req,
int err;
u8 lvl;
+ /* iWarp: Catch page not starting on OS page boundary */
+ if (!rdma_protocol_roce(&iwdev->ibdev, 1) &&
+ ib_umem_offset(iwmr->region))
+ return -EINVAL;
+
total = req.sq_pages + req.rq_pages + 1;
if (total > iwmr->page_cnt)
return -EINVAL;
--
1.8.3.1
