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-rw-r--r--drivers/infiniband/core/cma.c12
-rw-r--r--drivers/infiniband/core/rdma_core.c2
-rw-r--r--drivers/infiniband/core/ucma.c6
-rw-r--r--drivers/infiniband/core/uverbs_main.c5
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c2
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_fp.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c6
-rw-r--r--drivers/infiniband/hw/hfi1/pcie.c11
-rw-r--r--drivers/infiniband/hw/mlx4/main.c8
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c2
10 files changed, 37 insertions, 19 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index f72677291b69..a36c94930c31 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -724,6 +724,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
dgid = (union ib_gid *) &addr->sib_addr;
pkey = ntohs(addr->sib_pkey);
+ mutex_lock(&lock);
list_for_each_entry(cur_dev, &dev_list, list) {
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
if (!rdma_cap_af_ib(cur_dev->device, p))
@@ -750,18 +751,19 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
cma_dev = cur_dev;
sgid = gid;
id_priv->id.port_num = p;
+ goto found;
}
}
}
}
-
- if (!cma_dev)
- return -ENODEV;
+ mutex_unlock(&lock);
+ return -ENODEV;
found:
cma_attach_to_dev(id_priv, cma_dev);
- addr = (struct sockaddr_ib *) cma_src_addr(id_priv);
- memcpy(&addr->sib_addr, &sgid, sizeof sgid);
+ mutex_unlock(&lock);
+ addr = (struct sockaddr_ib *)cma_src_addr(id_priv);
+ memcpy(&addr->sib_addr, &sgid, sizeof(sgid));
cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr);
return 0;
}
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index 6eb64c6f0802..c4118bcd5103 100644
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -882,6 +882,8 @@ static int __uverbs_cleanup_ufile(struct ib_uverbs_file *ufile,
WARN_ON(uverbs_try_lock_object(obj, UVERBS_LOOKUP_WRITE));
if (!uverbs_destroy_uobject(obj, reason))
ret = 0;
+ else
+ atomic_set(&obj->usecnt, 0);
}
return ret;
}
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ec8fb289621f..5f437d1570fb 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -124,6 +124,8 @@ static DEFINE_MUTEX(mut);
static DEFINE_IDR(ctx_idr);
static DEFINE_IDR(multicast_idr);
+static const struct file_operations ucma_fops;
+
static inline struct ucma_context *_ucma_find_context(int id,
struct ucma_file *file)
{
@@ -1581,6 +1583,10 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file,
f = fdget(cmd.fd);
if (!f.file)
return -ENOENT;
+ if (f.file->f_op != &ucma_fops) {
+ ret = -EINVAL;
+ goto file_put;
+ }
/* Validate current fd and prevent destruction of id. */
ctx = ucma_get_ctx(f.file->private_data, cmd.id);
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 823beca448e1..6d974e2363df 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -1050,7 +1050,7 @@ static void ib_uverbs_add_one(struct ib_device *device)
uverbs_dev->num_comp_vectors = device->num_comp_vectors;
if (ib_uverbs_create_uapi(device, uverbs_dev))
- goto err;
+ goto err_uapi;
cdev_init(&uverbs_dev->cdev, NULL);
uverbs_dev->cdev.owner = THIS_MODULE;
@@ -1077,11 +1077,10 @@ static void ib_uverbs_add_one(struct ib_device *device)
err_class:
device_destroy(uverbs_class, uverbs_dev->cdev.dev);
-
err_cdev:
cdev_del(&uverbs_dev->cdev);
+err_uapi:
clear_bit(devnum, dev_map);
-
err:
if (atomic_dec_and_test(&uverbs_dev->refcount))
ib_uverbs_comp_dev(uverbs_dev);
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index bbfb86eb2d24..bc2b9e038439 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -833,6 +833,8 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp)
"Failed to destroy Shadow QP");
return rc;
}
+ bnxt_qplib_free_qp_res(&rdev->qplib_res,
+ &rdev->qp1_sqp->qplib_qp);
mutex_lock(&rdev->qp_lock);
list_del(&rdev->qp1_sqp->list);
atomic_dec(&rdev->qp_count);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index e426b990c1dd..6ad0d46ab879 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -196,7 +196,7 @@ static int bnxt_qplib_alloc_qp_hdr_buf(struct bnxt_qplib_res *res,
struct bnxt_qplib_qp *qp)
{
struct bnxt_qplib_q *rq = &qp->rq;
- struct bnxt_qplib_q *sq = &qp->rq;
+ struct bnxt_qplib_q *sq = &qp->sq;
int rc = 0;
if (qp->sq_hdr_buf_size && sq->hwq.max_elements) {
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index b3203afa3b1d..347fe18b1a41 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1685,6 +1685,12 @@ static void flush_qp(struct c4iw_qp *qhp)
schp = to_c4iw_cq(qhp->ibqp.send_cq);
if (qhp->ibqp.uobject) {
+
+ /* for user qps, qhp->wq.flushed is protected by qhp->mutex */
+ if (qhp->wq.flushed)
+ return;
+
+ qhp->wq.flushed = 1;
t4_set_wq_in_error(&qhp->wq, 0);
t4_set_cq_in_error(&rchp->cq);
spin_lock_irqsave(&rchp->comp_handler_lock, flag);
diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c
index eec83757d55f..6c967dde58e7 100644
--- a/drivers/infiniband/hw/hfi1/pcie.c
+++ b/drivers/infiniband/hw/hfi1/pcie.c
@@ -893,14 +893,11 @@ static int trigger_sbr(struct hfi1_devdata *dd)
}
/*
- * A secondary bus reset (SBR) issues a hot reset to our device.
- * The following routine does a 1s wait after the reset is dropped
- * per PCI Trhfa (recovery time). PCIe 3.0 section 6.6.1 -
- * Conventional Reset, paragraph 3, line 35 also says that a 1s
- * delay after a reset is required. Per spec requirements,
- * the link is either working or not after that point.
+ * This is an end around to do an SBR during probe time. A new API needs
+ * to be implemented to have cleaner interface but this fixes the
+ * current brokenness
*/
- return pci_reset_bus(dev);
+ return pci_bridge_secondary_bus_reset(dev->bus->self);
}
/*
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index ca0f1ee26091..0bbeaaae47e0 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -517,9 +517,11 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->page_size_cap = dev->dev->caps.page_size_cap;
props->max_qp = dev->dev->quotas.qp;
props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
- props->max_send_sge = dev->dev->caps.max_sq_sg;
- props->max_recv_sge = dev->dev->caps.max_rq_sg;
- props->max_sge_rd = MLX4_MAX_SGE_RD;
+ props->max_send_sge =
+ min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg);
+ props->max_recv_sge =
+ min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg);
+ props->max_sge_rd = MLX4_MAX_SGE_RD;
props->max_cq = dev->dev->quotas.cq;
props->max_cqe = dev->dev->caps.max_cqes;
props->max_mr = dev->dev->quotas.mpt;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index ea01b8dd2be6..3d5424f335cb 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1027,12 +1027,14 @@ static int ipoib_cm_rep_handler(struct ib_cm_id *cm_id,
skb_queue_head_init(&skqueue);
+ netif_tx_lock_bh(p->dev);
spin_lock_irq(&priv->lock);
set_bit(IPOIB_FLAG_OPER_UP, &p->flags);
if (p->neigh)
while ((skb = __skb_dequeue(&p->neigh->queue)))
__skb_queue_tail(&skqueue, skb);
spin_unlock_irq(&priv->lock);
+ netif_tx_unlock_bh(p->dev);
while ((skb = __skb_dequeue(&skqueue))) {
skb->dev = p->dev;