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

Pull infiniband upate from Roland Dreier:
 "First batch of InfiniBand/RDMA changes for the 3.8 merge window:
   - A good chunk of Bart Van Assche's SRP fixes
   - UAPI disintegration from David Howells
   - mlx4 support for "64-byte CQE" hardware feature from Or Gerlitz
   - Other miscellaneous fixes"

Fix up trivial conflict in mellanox/mlx4 driver.

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (33 commits)
  RDMA/nes: Fix for crash when registering zero length MR for CQ
  RDMA/nes: Fix for terminate timer crash
  RDMA/nes: Fix for BUG_ON due to adding already-pending timer
  IB/srp: Allow SRP disconnect through sysfs
  srp_transport: Document sysfs attributes
  srp_transport: Simplify attribute initialization code
  srp_transport: Fix attribute registration
  IB/srp: Document sysfs attributes
  IB/srp: send disconnect request without waiting for CM timewait exit
  IB/srp: destroy and recreate QP and CQs when reconnecting
  IB/srp: Eliminate state SRP_TARGET_DEAD
  IB/srp: Introduce the helper function srp_remove_target()
  IB/srp: Suppress superfluous error messages
  IB/srp: Process all error completions
  IB/srp: Introduce srp_handle_qp_err()
  IB/srp: Simplify SCSI error handling
  IB/srp: Keep processing commands during host removal
  IB/srp: Eliminate state SRP_TARGET_CONNECTING
  IB/srp: Increase block layer timeout
  RDMA/cm: Change return value from find_gid_port()
  ...

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index cd0ecb215cc..07e4fbad987 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1404,6 +1404,9 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
 	}
 
 	nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR);
+	init_timer(&nesqp->terminate_timer);
+	nesqp->terminate_timer.function = nes_terminate_timeout;
+	nesqp->terminate_timer.data = (unsigned long)nesqp;
 
 	/* update the QP table */
 	nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp;
@@ -1413,7 +1416,6 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
 	return &nesqp->ibqp;
 }
 
-
 /**
  * nes_clean_cq
  */
@@ -2559,6 +2561,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 			return ibmr;
 		case IWNES_MEMREG_TYPE_QP:
 		case IWNES_MEMREG_TYPE_CQ:
+			if (!region->length) {
+				nes_debug(NES_DBG_MR, "Unable to register zero length region for CQ\n");
+				ib_umem_release(region);
+				return ERR_PTR(-EINVAL);
+			}
 			nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL);
 			if (!nespbl) {
 				nes_debug(NES_DBG_MR, "Unable to allocate PBL\n");