diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 3e90b6a1d9d2..cc06e8404e9b 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3488,8 +3488,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
struct ib_flow_attr *flow_attr;
struct ib_qp *qp;
struct ib_uflow_resources *uflow_res;
+ struct ib_uverbs_flow_spec_hdr *kern_spec;
int err = 0;
- void *kern_spec;
void *ib_spec;
int i;
@@ -3538,8 +3538,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
if (!kern_flow_attr)
return -ENOMEM;
- memcpy(kern_flow_attr, &cmd.flow_attr, sizeof(*kern_flow_attr));
- err = ib_copy_from_udata(kern_flow_attr + 1, ucore,
+ *kern_flow_attr = cmd.flow_attr;
+ err = ib_copy_from_udata(&kern_flow_attr->flow_specs, ucore,
cmd.flow_attr.size);
if (err)
goto err_free_attr;
@@ -3559,6 +3559,11 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
goto err_uobj;
}
+ if (qp->qp_type != IB_QPT_UD && qp->qp_type != IB_QPT_RAW_PACKET) {
+ err = -EINVAL;
+ goto err_put;
+ }
+
flow_attr = kzalloc(struct_size(flow_attr, flows,
cmd.flow_attr.num_of_specs), GFP_KERNEL);
if (!flow_attr) {
@@ -3578,21 +3583,22 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
flow_attr->flags = kern_flow_attr->flags;
flow_attr->size = sizeof(*flow_attr);
- kern_spec = kern_flow_attr + 1;
+ kern_spec = kern_flow_attr->flow_specs;
ib_spec = flow_attr + 1;
for (i = 0; i < flow_attr->num_of_specs &&
- cmd.flow_attr.size > offsetof(struct ib_uverbs_flow_spec, reserved) &&
- cmd.flow_attr.size >=
- ((struct ib_uverbs_flow_spec *)kern_spec)->size; i++) {
- err = kern_spec_to_ib_spec(file->ucontext, kern_spec, ib_spec,
- uflow_res);
+ cmd.flow_attr.size >= sizeof(*kern_spec) &&
+ cmd.flow_attr.size >= kern_spec->size;
+ i++) {
+ err = kern_spec_to_ib_spec(
+ file->ucontext, (struct ib_uverbs_flow_spec *)kern_spec,
+ ib_spec, uflow_res);
if (err)
goto err_free;
flow_attr->size +=
((union ib_flow_spec *) ib_spec)->size;
- cmd.flow_attr.size -= ((struct ib_uverbs_flow_spec *)kern_spec)->size;
- kern_spec += ((struct ib_uverbs_flow_spec *) kern_spec)->size;
+ cmd.flow_attr.size -= kern_spec->size;
+ kern_spec = ((void *)kern_spec) + kern_spec->size;
ib_spec += ((union ib_flow_spec *) ib_spec)->size;
}
if (cmd.flow_attr.size || (i != flow_attr->num_of_specs)) {
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 1445918e3239..7b76e6f81aeb 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -774,7 +774,7 @@ static int c4iw_set_page(struct ib_mr *ibmr, u64 addr)
{
struct c4iw_mr *mhp = to_c4iw_mr(ibmr);
- if (unlikely(mhp->mpl_len == mhp->max_mpl_len))
+ if (unlikely(mhp->mpl_len == mhp->attr.pbl_size))
return -ENOMEM;
mhp->mpl[mhp->mpl_len++] = addr;
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 1a1a47ac53c6..f15c93102081 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -271,7 +271,7 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
lockdep_assert_held(&qp->s_lock);
ps->s_txreq = get_txreq(ps->dev, qp);
- if (IS_ERR(ps->s_txreq))
+ if (!ps->s_txreq)
goto bail_no_tx;
if (priv->hdr_type == HFI1_PKT_TYPE_9B) {
diff --git a/drivers/infiniband/hw/hfi1/uc.c b/drivers/infiniband/hw/hfi1/uc.c
index b7b671017e59..e254dcec6f64 100644
--- a/drivers/infiniband/hw/hfi1/uc.c
+++ b/drivers/infiniband/hw/hfi1/uc.c
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2015, 2016 Intel Corporation.
+ * Copyright(c) 2015 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -72,7 +72,7 @@ int hfi1_make_uc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
int middle = 0;
ps->s_txreq = get_txreq(ps->dev, qp);
- if (IS_ERR(ps->s_txreq))
+ if (!ps->s_txreq)
goto bail_no_tx;
if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) {
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c
index 1ab332f1866e..70d39fc450a1 100644
--- a/drivers/infiniband/hw/hfi1/ud.c
+++ b/drivers/infiniband/hw/hfi1/ud.c
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2015, 2016 Intel Corporation.
+ * Copyright(c) 2015 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -503,7 +503,7 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
u32 lid;
ps->s_txreq = get_txreq(ps->dev, qp);
- if (IS_ERR(ps->s_txreq))
+ if (!ps->s_txreq)
goto bail_no_tx;
if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_NEXT_SEND_OK)) {
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.c b/drivers/infiniband/hw/hfi1/verbs_txreq.c
index 873e48ea923f..c4ab2d5b4502 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.c
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.c
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2016 - 2017 Intel Corporation.
+ * Copyright(c) 2016 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -94,7 +94,7 @@ struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev,
struct rvt_qp *qp)
__must_hold(&qp->s_lock)
{
- struct verbs_txreq *tx = ERR_PTR(-EBUSY);
+ struct verbs_txreq *tx = NULL;
write_seqlock(&dev->txwait_lock);
if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) {
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.h b/drivers/infiniband/hw/hfi1/verbs_txreq.h
index 729244c3086c..1c19bbc764b2 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.h
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.h
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2016 Intel Corporation.
+ * Copyright(c) 2016 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -83,7 +83,7 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
if (unlikely(!tx)) {
/* call slow path to get the lock */
tx = __get_txreq(dev, qp);
- if (IS_ERR(tx))
+ if (!tx)
return tx;
}
tx->qp = qp;
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index 0af7b7905550..f5de5adc9b1a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -266,18 +266,24 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
desc_size = sizeof(struct mlx5_wqe_srq_next_seg) +
srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg);
- if (desc_size == 0 || srq->msrq.max_gs > desc_size)
- return ERR_PTR(-EINVAL);
+ if (desc_size == 0 || srq->msrq.max_gs > desc_size) {
+ err = -EINVAL;
+ goto err_srq;
+ }
desc_size = roundup_pow_of_two(desc_size);
desc_size = max_t(size_t, 32, desc_size);
- if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg))
- return ERR_PTR(-EINVAL);
+ if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) {
+ err = -EINVAL;
+ goto err_srq;
+ }
srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) /
sizeof(struct mlx5_wqe_data_seg);
srq->msrq.wqe_shift = ilog2(desc_size);
buf_size = srq->msrq.max * desc_size;
- if (buf_size < desc_size)
- return ERR_PTR(-EINVAL);
+ if (buf_size < desc_size) {
+ err = -EINVAL;
+ goto err_srq;
+ }
in.type = init_attr->srq_type;
if (pd->uobject)