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-rw-r--r--drivers/infiniband/core/cma.c2
-rw-r--r--drivers/infiniband/core/core_priv.h2
-rw-r--r--drivers/infiniband/core/device.c20
-rw-r--r--drivers/infiniband/core/iwcm.c2
-rw-r--r--drivers/infiniband/core/nldev.c56
-rw-r--r--drivers/infiniband/core/security.c10
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c10
-rw-r--r--drivers/infiniband/core/verbs.c3
8 files changed, 76 insertions, 29 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index f6983357145d..6294a7001d33 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4458,7 +4458,7 @@ out:
return skb->len;
}
-static const struct rdma_nl_cbs cma_cb_table[] = {
+static const struct rdma_nl_cbs cma_cb_table[RDMA_NL_RDMA_CM_NUM_OPS] = {
[RDMA_NL_RDMA_CM_ID_STATS] = { .dump = cma_get_id_stats},
};
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index a1d687a664f8..66f0268f37a6 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -314,7 +314,7 @@ static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
}
#endif
-struct ib_device *__ib_device_get_by_index(u32 ifindex);
+struct ib_device *ib_device_get_by_index(u32 ifindex);
/* RDMA device netlink */
void nldev_init(void);
void nldev_exit(void);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 5e1be4949d5f..465520627e4b 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -134,7 +134,7 @@ static int ib_device_check_mandatory(struct ib_device *device)
return 0;
}
-struct ib_device *__ib_device_get_by_index(u32 index)
+static struct ib_device *__ib_device_get_by_index(u32 index)
{
struct ib_device *device;
@@ -145,6 +145,22 @@ struct ib_device *__ib_device_get_by_index(u32 index)
return NULL;
}
+/*
+ * Caller is responsible to return refrerence count by calling put_device()
+ */
+struct ib_device *ib_device_get_by_index(u32 index)
+{
+ struct ib_device *device;
+
+ down_read(&lists_rwsem);
+ device = __ib_device_get_by_index(index);
+ if (device)
+ get_device(&device->dev);
+
+ up_read(&lists_rwsem);
+ return device;
+}
+
static struct ib_device *__ib_device_get_by_name(const char *name)
{
struct ib_device *device;
@@ -1146,7 +1162,7 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev,
}
EXPORT_SYMBOL(ib_get_net_dev_by_params);
-static const struct rdma_nl_cbs ibnl_ls_cb_table[] = {
+static const struct rdma_nl_cbs ibnl_ls_cb_table[RDMA_NL_LS_NUM_OPS] = {
[RDMA_NL_LS_OP_RESOLVE] = {
.doit = ib_nl_handle_resolve_resp,
.flags = RDMA_NL_ADMIN_PERM,
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index e9e189ec7502..5d676cff41f4 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -80,7 +80,7 @@ const char *__attribute_const__ iwcm_reject_msg(int reason)
}
EXPORT_SYMBOL(iwcm_reject_msg);
-static struct rdma_nl_cbs iwcm_nl_cb_table[] = {
+static struct rdma_nl_cbs iwcm_nl_cb_table[RDMA_NL_IWPM_NUM_OPS] = {
[RDMA_NL_IWPM_REG_PID] = {.dump = iwpm_register_pid_cb},
[RDMA_NL_IWPM_ADD_MAPPING] = {.dump = iwpm_add_mapping_cb},
[RDMA_NL_IWPM_QUERY_MAPPING] = {.dump = iwpm_add_and_query_mapping_cb},
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 2fae850a3eff..0dcd1aa6f683 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -142,27 +142,34 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(index);
+ device = ib_device_get_by_index(index);
if (!device)
return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
+ if (!msg) {
+ err = -ENOMEM;
+ goto err;
+ }
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
err = fill_dev_info(msg, device);
- if (err) {
- nlmsg_free(msg);
- return err;
- }
+ if (err)
+ goto err_free;
nlmsg_end(msg, nlh);
+ put_device(&device->dev);
return rdma_nl_unicast(msg, NETLINK_CB(skb).portid);
+
+err_free:
+ nlmsg_free(msg);
+err:
+ put_device(&device->dev);
+ return err;
}
static int _nldev_get_dumpit(struct ib_device *device,
@@ -220,31 +227,40 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(index);
+ device = ib_device_get_by_index(index);
if (!device)
return -EINVAL;
port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
- if (!rdma_is_port_valid(device, port))
- return -EINVAL;
+ if (!rdma_is_port_valid(device, port)) {
+ err = -EINVAL;
+ goto err;
+ }
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
+ if (!msg) {
+ err = -ENOMEM;
+ goto err;
+ }
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
err = fill_port_info(msg, device, port);
- if (err) {
- nlmsg_free(msg);
- return err;
- }
+ if (err)
+ goto err_free;
nlmsg_end(msg, nlh);
+ put_device(&device->dev);
return rdma_nl_unicast(msg, NETLINK_CB(skb).portid);
+
+err_free:
+ nlmsg_free(msg);
+err:
+ put_device(&device->dev);
+ return err;
}
static int nldev_port_get_dumpit(struct sk_buff *skb,
@@ -265,7 +281,7 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
return -EINVAL;
ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(ifindex);
+ device = ib_device_get_by_index(ifindex);
if (!device)
return -EINVAL;
@@ -299,11 +315,13 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
nlmsg_end(skb, nlh);
}
-out: cb->args[0] = idx;
+out:
+ put_device(&device->dev);
+ cb->args[0] = idx;
return skb->len;
}
-static const struct rdma_nl_cbs nldev_cb_table[] = {
+static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
[RDMA_NLDEV_CMD_GET] = {
.doit = nldev_get_doit,
.dump = nldev_get_dumpit,
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index a337386652b0..59b2f96d986a 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -386,6 +386,9 @@ int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev)
if (ret)
return ret;
+ if (!qp->qp_sec)
+ return 0;
+
mutex_lock(&real_qp->qp_sec->mutex);
ret = check_qp_port_pkey_settings(real_qp->qp_sec->ports_pkeys,
qp->qp_sec);
@@ -739,8 +742,11 @@ int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index)
if (!rdma_protocol_ib(map->agent.device, map->agent.port_num))
return 0;
- if (map->agent.qp->qp_type == IB_QPT_SMI && !map->agent.smp_allowed)
- return -EACCES;
+ if (map->agent.qp->qp_type == IB_QPT_SMI) {
+ if (!map->agent.smp_allowed)
+ return -EACCES;
+ return 0;
+ }
return ib_security_pkey_access(map->agent.device,
map->agent.port_num,
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 16d55710b116..840b24096690 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1971,6 +1971,12 @@ static int modify_qp(struct ib_uverbs_file *file,
goto release_qp;
}
+ if ((cmd->base.attr_mask & IB_QP_ALT_PATH) &&
+ !rdma_is_port_valid(qp->device, cmd->base.alt_port_num)) {
+ ret = -EINVAL;
+ goto release_qp;
+ }
+
attr->qp_state = cmd->base.qp_state;
attr->cur_qp_state = cmd->base.cur_qp_state;
attr->path_mtu = cmd->base.path_mtu;
@@ -2068,8 +2074,8 @@ int ib_uverbs_ex_modify_qp(struct ib_uverbs_file *file,
return -EOPNOTSUPP;
if (ucore->inlen > sizeof(cmd)) {
- if (ib_is_udata_cleared(ucore, sizeof(cmd),
- ucore->inlen - sizeof(cmd)))
+ if (!ib_is_udata_cleared(ucore, sizeof(cmd),
+ ucore->inlen - sizeof(cmd)))
return -EOPNOTSUPP;
}
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 3fb8fb6cc824..e36d27ed4daa 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1438,7 +1438,8 @@ int ib_close_qp(struct ib_qp *qp)
spin_unlock_irqrestore(&real_qp->device->event_handler_lock, flags);
atomic_dec(&real_qp->usecnt);
- ib_close_shared_qp_security(qp->qp_sec);
+ if (qp->qp_sec)
+ ib_close_shared_qp_security(qp->qp_sec);
kfree(qp);
return 0;
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