3 files changed, 14 insertions, 10 deletions

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 821d30918cfc..427ded841224 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -366,13 +366,13 @@ static ssize_t wireless_show(struct device *d, char *buf,
         const struct iw_statistics *iw;
         ssize_t ret = -EINVAL;
 
-        read_lock(&dev_base_lock);
+        rtnl_lock();
         if (dev_isalive(dev)) {
                 iw = get_wireless_stats(dev);
                 if (iw)
                         ret = (*format)(iw, buf);
         }
-        read_unlock(&dev_base_lock);
+        rtnl_unlock();
 
         return ret;
 }
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b69455217ed6..86acdba0a97d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -964,7 +964,7 @@ static ssize_t pktgen_if_write(struct file *file,
                 if (value == 0x7FFFFFFF)
                         pkt_dev->delay = ULLONG_MAX;
                 else
-                        pkt_dev->delay = (u64)value * NSEC_PER_USEC;
+                        pkt_dev->delay = (u64)value;
 
                 sprintf(pg_result, "OK: delay=%llu",
                         (unsigned long long) pkt_dev->delay);
@@ -2212,7 +2212,7 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev)
         if (pkt_dev->flags & F_QUEUE_MAP_CPU)
                 pkt_dev->cur_queue_map = smp_processor_id();
 
-        else if (pkt_dev->queue_map_min < pkt_dev->queue_map_max) {
+        else if (pkt_dev->queue_map_min <= pkt_dev->queue_map_max) {
                 __u16 t;
                 if (pkt_dev->flags & F_QUEUE_MAP_RND) {
                         t = random32() %
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e92f1fd28aa5..5df2f6a0b0f0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1077,12 +1077,16 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
                 ip_mc_up(in_dev);
                 /* fall through */
         case NETDEV_CHANGEADDR:
-                if (IN_DEV_ARP_NOTIFY(in_dev))
-                        arp_send(ARPOP_REQUEST, ETH_P_ARP,
-                                 in_dev->ifa_list->ifa_address,
-                                 dev,
-                                 in_dev->ifa_list->ifa_address,
-                                 NULL, dev->dev_addr, NULL);
+                /* Send gratuitous ARP to notify of link change */
+                if (IN_DEV_ARP_NOTIFY(in_dev)) {
+                        struct in_ifaddr *ifa = in_dev->ifa_list;
+
+                        if (ifa)
+                                arp_send(ARPOP_REQUEST, ETH_P_ARP,
+                                         ifa->ifa_address, dev,
+                                         ifa->ifa_address, NULL,
+                                         dev->dev_addr, NULL);
+                }
                 break;
         case NETDEV_DOWN:
                 ip_mc_down(in_dev);