Merge tag 'linux-can-fixes-for-4.8-20160921' of git://git.kernel.org/pub/scm/linux...

Marc Kleine-Budde says:

====================
pull-request: can 2016-09-21

this is another pull request of one patch for the upcoming linux-4.8 release.

Marek Vasut fixes the CAN-FD bit rate switch in the ifi driver by configuring
the transmitter delay.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/MAINTAINERS b/MAINTAINERS
index 247b418..3df4be3 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2500,7 +2500,7 @@ S:        Supported
 F:     kernel/bpf/
 
 BROADCOM B44 10/100 ETHERNET DRIVER
-M:     Gary Zambrano <zambrano@broadcom.com>
+M:     Michael Chan <michael.chan@broadcom.com>
 L:     netdev@vger.kernel.org
 S:     Supported
 F:     drivers/net/ethernet/broadcom/b44.*

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 75dd2e3..7183ac4 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2970,6 +2970,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
                mlx4_err(dev, "Failed to create mtu file for port %d\n", port);
                device_remove_file(&info->dev->persist->pdev->dev,
                                   &info->port_attr);
+               devlink_port_unregister(&info->devlink_port);
                info->port = -1;
        }
 
@@ -2984,6 +2985,8 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
        device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr);
        device_remove_file(&info->dev->persist->pdev->dev,
                           &info->port_mtu_attr);
+       devlink_port_unregister(&info->devlink_port);
+
 #ifdef CONFIG_RFS_ACCEL
        free_irq_cpu_rmap(info->rmap);
        info->rmap = NULL;

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index c6585ab..b3a87a3 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -513,6 +513,15 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
        int hdrlen = ieee80211_hdrlen(hdr->frame_control);
        int queue;
 
+       /* IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used
+        * in 2 different types of vifs, P2P & STATION. P2P uses the offchannel
+        * queue. STATION (HS2.0) uses the auxiliary context of the FW,
+        * and hence needs to be sent on the aux queue
+        */
+       if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
+           skb_info->control.vif->type == NL80211_IFTYPE_STATION)
+               IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue;
+
        memcpy(&info, skb->cb, sizeof(info));
 
        if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_AMPDU))
@@ -526,16 +535,6 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
        /* This holds the amsdu headers length */
        skb_info->driver_data[0] = (void *)(uintptr_t)0;
 
-       /*
-        * IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used
-        * in 2 different types of vifs, P2P & STATION. P2P uses the offchannel
-        * queue. STATION (HS2.0) uses the auxiliary context of the FW,
-        * and hence needs to be sent on the aux queue
-        */
-       if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
-           info.control.vif->type == NL80211_IFTYPE_STATION)
-               IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue;
-
        queue = info.hw_queue;
 
        /*

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a1f2830..b5b47a2 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -476,12 +476,18 @@ u32 ip_idents_reserve(u32 hash, int segs)
        atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ;
        u32 old = ACCESS_ONCE(*p_tstamp);
        u32 now = (u32)jiffies;
-       u32 delta = 0;
+       u32 new, delta = 0;
 
        if (old != now && cmpxchg(p_tstamp, old, now) == old)
                delta = prandom_u32_max(now - old);
 
-       return atomic_add_return(segs + delta, p_id) - segs;
+       /* Do not use atomic_add_return() as it makes UBSAN unhappy */
+       do {
+               old = (u32)atomic_read(p_id);
+               new = old + delta + segs;
+       } while (atomic_cmpxchg(p_id, old, new) != old);
+
+       return new - segs;
 }
 EXPORT_SYMBOL(ip_idents_reserve);