RDMA: Remove the udata parameter from alloc_mr callback

Allocating an MR flow can only be initiated by kernel users, and not from
userspace so a udata parameter is redundant.

Link: https://lore.kernel.org/r/20200706120343.10816-4-galpress@amazon.com
Signed-off-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/qedr/verbs.c

@@ -3003,7 +3003,7 @@ err0:
 }
 
 struct ib_mr *qedr_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
-			    u32 max_num_sg, struct ib_udata *udata)
+			    u32 max_num_sg)
 {
 	struct qedr_mr *mr;
 

drivers/infiniband/hw/qedr/verbs.h

@@ -84,7 +84,7 @@ int qedr_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
 		   int sg_nents, unsigned int *sg_offset);
 
 struct ib_mr *qedr_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
-			    u32 max_num_sg, struct ib_udata *udata);
+			    u32 max_num_sg);
 int qedr_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
 int qedr_post_send(struct ib_qp *, const struct ib_send_wr *,
 		   const struct ib_send_wr **bad_wr);