4 files changed, 27 insertions, 3 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 181b1f32325f..8f4b4fca2a1d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -31,7 +31,6 @@
  */
 
 #include <rdma/ib_cm.h>
-#include <rdma/ib_cache.h>
 #include <net/dst.h>
 #include <net/icmp.h>
 #include <linux/icmpv6.h>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index e7e5adf84e84..e35f4a0ea9d5 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -36,7 +36,6 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 
-#include <rdma/ib_cache.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index e319d91f60a6..2bf5116deec4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -604,8 +604,11 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
                                            skb_queue_len(&neigh->queue));
                                 goto err_drop;
                         }
-                } else
+                } else {
+                        spin_unlock_irqrestore(&priv->lock, flags);
                         ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb_dst(skb)->neighbour->ha));
+                        return;
+                }
         } else {
                 neigh->ah  = NULL;
 
@@ -688,7 +691,9 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
                 ipoib_dbg(priv, "Send unicast ARP to %04x\n",
                           be16_to_cpu(path->pathrec.dlid));
 
+                spin_unlock_irqrestore(&priv->lock, flags);
                 ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr));
+                return;
         } else if ((path->query || !path_rec_start(dev, path)) &&
                    skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
                 /* put pseudoheader back on for next time */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index a0e97532e714..25874fc680c9 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -720,7 +720,9 @@ out:
                         }
                 }
 
+                spin_unlock_irqrestore(&priv->lock, flags);
                 ipoib_send(dev, skb, mcast->ah, IB_MULTICAST_QPN);
+                return;
         }
 
 unlock:
@@ -758,6 +760,20 @@ void ipoib_mcast_dev_flush(struct net_device *dev)
         }
 }
 
+static int ipoib_mcast_addr_is_valid(const u8 *addr, unsigned int addrlen,
+                                     const u8 *broadcast)
+{
+        if (addrlen != INFINIBAND_ALEN)
+                return 0;
+        /* reserved QPN, prefix, scope */
+        if (memcmp(addr, broadcast, 6))
+                return 0;
+        /* signature lower, pkey */
+        if (memcmp(addr + 7, broadcast + 7, 3))
+                return 0;
+        return 1;
+}
+
 void ipoib_mcast_restart_task(struct work_struct *work)
 {
         struct ipoib_dev_priv *priv =
@@ -791,6 +807,11 @@ void ipoib_mcast_restart_task(struct work_struct *work)
         for (mclist = dev->mc_list; mclist; mclist = mclist->next) {
                 union ib_gid mgid;
 
+                if (!ipoib_mcast_addr_is_valid(mclist->dmi_addr,
+                                               mclist->dmi_addrlen,
+                                               dev->broadcast))
+                        continue;
+
                 memcpy(mgid.raw, mclist->dmi_addr + 4, sizeof mgid);
 
                 mcast = __ipoib_mcast_find(dev, &mgid);