4 files changed, 27 insertions, 9 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 64ace0b968f0..91db10515d74 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -690,6 +690,7 @@ cma_validate_port(struct ib_device *device, u32 port,
 	int bound_if_index = dev_addr->bound_dev_if;
 	int dev_type = dev_addr->dev_type;
 	struct net_device *ndev = NULL;
+	struct net_device *pdev = NULL;
 
 	if (!rdma_dev_access_netns(device, id_priv->id.route.addr.dev_addr.net))
 		goto out;
@@ -714,6 +715,21 @@ cma_validate_port(struct ib_device *device, u32 port,
 
 		rcu_read_lock();
 		ndev = rcu_dereference(sgid_attr->ndev);
+		if (ndev->ifindex != bound_if_index) {
+			pdev = dev_get_by_index_rcu(dev_addr->net, bound_if_index);
+			if (pdev) {
+				if (is_vlan_dev(pdev)) {
+					pdev = vlan_dev_real_dev(pdev);
+					if (ndev->ifindex == pdev->ifindex)
+						bound_if_index = pdev->ifindex;
+				}
+				if (is_vlan_dev(ndev)) {
+					pdev = vlan_dev_real_dev(ndev);
+					if (bound_if_index == pdev->ifindex)
+						bound_if_index = ndev->ifindex;
+				}
+			}
+		}
 		if (!net_eq(dev_net(ndev), dev_addr->net) ||
 		    ndev->ifindex != bound_if_index) {
 			rdma_put_gid_attr(sgid_attr);
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index ff121e59b9c0..cb987ab0177c 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -2833,8 +2833,8 @@ int rdma_nl_notify_event(struct ib_device *device, u32 port_num,
 			  enum rdma_nl_notify_event_type type)
 {
 	struct sk_buff *skb;
+	int ret = -EMSGSIZE;
 	struct net *net;
-	int ret = 0;
 	void *nlh;
 
 	net = read_pnet(&device->coredev.rdma_net);
diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c
index 9fcd37761264..0ec2e4120cc9 100644
--- a/drivers/infiniband/core/umem_dmabuf.c
+++ b/drivers/infiniband/core/umem_dmabuf.c
@@ -10,7 +10,7 @@
 
 #include "uverbs.h"
 
-MODULE_IMPORT_NS(DMA_BUF);
+MODULE_IMPORT_NS("DMA_BUF");
 
 int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf)
 {
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 66b02fbf077a..5ad14c39d48c 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -161,7 +161,7 @@ static const void __user *uverbs_request_next_ptr(struct uverbs_req_iter *iter,
 {
 	const void __user *res = iter->cur;
 
-	if (iter->cur + len > iter->end)
+	if (len > iter->end - iter->cur)
 		return (void __force __user *)ERR_PTR(-ENOSPC);
 	iter->cur += len;
 	return res;
@@ -2008,11 +2008,13 @@ static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs)
 	ret = uverbs_request_start(attrs, &iter, &cmd, sizeof(cmd));
 	if (ret)
 		return ret;
-	wqes = uverbs_request_next_ptr(&iter, cmd.wqe_size * cmd.wr_count);
+	wqes = uverbs_request_next_ptr(&iter, size_mul(cmd.wqe_size,
+						       cmd.wr_count));
 	if (IS_ERR(wqes))
 		return PTR_ERR(wqes);
-	sgls = uverbs_request_next_ptr(
-		&iter, cmd.sge_count * sizeof(struct ib_uverbs_sge));
+	sgls = uverbs_request_next_ptr(&iter,
+				       size_mul(cmd.sge_count,
+						sizeof(struct ib_uverbs_sge)));
 	if (IS_ERR(sgls))
 		return PTR_ERR(sgls);
 	ret = uverbs_request_finish(&iter);
@@ -2198,11 +2200,11 @@ ib_uverbs_unmarshall_recv(struct uverbs_req_iter *iter, u32 wr_count,
 	if (wqe_size < sizeof(struct ib_uverbs_recv_wr))
 		return ERR_PTR(-EINVAL);
 
-	wqes = uverbs_request_next_ptr(iter, wqe_size * wr_count);
+	wqes = uverbs_request_next_ptr(iter, size_mul(wqe_size, wr_count));
 	if (IS_ERR(wqes))
 		return ERR_CAST(wqes);
-	sgls = uverbs_request_next_ptr(
-		iter, sge_count * sizeof(struct ib_uverbs_sge));
+	sgls = uverbs_request_next_ptr(iter, size_mul(sge_count,
+						      sizeof(struct ib_uverbs_sge)));
 	if (IS_ERR(sgls))
 		return ERR_CAST(sgls);
 	ret = uverbs_request_finish(iter);