Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (104 commits)
  IB/iser: Don't change itt endianness
  IB/mlx4: Update module version and release date
  IPoIB: Handle case when P_Key is deleted and re-added at same index
  IB/iser: Release connection resources on RDMA_CM_EVENT_DEVICE_REMOVAL event
  IB/mlx4: Fix incorrect comment
  IB/mlx4: Fix race when detaching a QP from a multicast group
  IB/ehca: Support all ibv_devinfo values in query_device() and query_port()
  RDMA/nes: Free IRQ before killing tasklet
  IB/mthca: Update module version and release date
  IB/mlx4: Update QP state if query QP succeeds
  IB/mthca: Update QP state if query QP succeeds
  RDMA/amso1100: Add check for NULL reply_msg in c2_intr()
  IB/mlx4: Add support for resizing CQs
  IB/mlx4: Add support for modifying CQ moderation parameters
  IPoIB: Support modifying IPoIB CQ event moderation
  IB/core: Add support for modify CQ
  IPoIB: Add basic ethtool support
  mlx4_core: Increase max number of QPs to 128K
  RDMA/amso1100: Add support for "send with invalidate" work requests
  IB/core: Add support for "send with invalidate" work requests
  ...

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 86ed8af9c7e..05042089de6 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -248,7 +248,9 @@ int ib_modify_srq(struct ib_srq *srq,
 		  struct ib_srq_attr *srq_attr,
 		  enum ib_srq_attr_mask srq_attr_mask)
 {
-	return srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL);
+	return srq->device->modify_srq ?
+		srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) :
+		-ENOSYS;
 }
 EXPORT_SYMBOL(ib_modify_srq);
 
@@ -628,6 +630,13 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
 }
 EXPORT_SYMBOL(ib_create_cq);
 
+int ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
+{
+	return cq->device->modify_cq ?
+		cq->device->modify_cq(cq, cq_count, cq_period) : -ENOSYS;
+}
+EXPORT_SYMBOL(ib_modify_cq);
+
 int ib_destroy_cq(struct ib_cq *cq)
 {
 	if (atomic_read(&cq->usecnt))
@@ -672,6 +681,9 @@ struct ib_mr *ib_reg_phys_mr(struct ib_pd *pd,
 {
 	struct ib_mr *mr;
 
+	if (!pd->device->reg_phys_mr)
+		return ERR_PTR(-ENOSYS);
+
 	mr = pd->device->reg_phys_mr(pd, phys_buf_array, num_phys_buf,
 				     mr_access_flags, iova_start);