IB/rdmavt: Properly pass gfp to hw driver function

alloc_qpn must use GFP and the hardware drivers should use it as well.
Reviewed-by: NMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: NIra Weiny <ira.weiny@intel.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rdmavt/qp.c

@@ -303,8 +303,7 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
 	u32 ret;
 
 	if (rdi->driver_f.alloc_qpn)
-		return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num,
-					       GFP_KERNEL);
+		return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num, gfp);
 
 	if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
 		unsigned n;