6 files changed, 31 insertions, 3 deletions

diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5e13b987d9e2..678e97fa3869 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -31,6 +31,7 @@ enum can_mode {
  * CAN common private data
  */
 struct can_priv {
+        struct net_device *dev;
         struct can_device_stats can_stats;
 
         struct can_bittiming bittiming, data_bittiming;
@@ -46,7 +47,7 @@ struct can_priv {
         u32 ctrlmode_static;    /* static enabled options for driver/hardware */
 
         int restart_ms;
-        struct timer_list restart_timer;
+        struct delayed_work restart_work;
 
         int (*do_set_bittiming)(struct net_device *dev);
         int (*do_set_data_bittiming)(struct net_device *dev);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8ccb136c3980..96fb3242cde7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2829,7 +2829,7 @@ extern int buffer_migrate_page(struct address_space *,
 #define buffer_migrate_page NULL
 #endif
 
-extern int inode_change_ok(const struct inode *, struct iattr *);
+extern int setattr_prepare(struct dentry *, struct iattr *);
 extern int inode_newsize_ok(const struct inode *, loff_t offset);
 extern void setattr_copy(struct inode *inode, const struct iattr *attr);
 
diff --git a/include/linux/mount.h b/include/linux/mount.h
index f822c3c11377..dc6cd800cd5d 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -95,4 +95,6 @@ extern void mark_mounts_for_expiry(struct list_head *mounts);
 
 extern dev_t name_to_dev_t(const char *name);
 
+extern unsigned int sysctl_mount_max;
+
 #endif /* _LINUX_MOUNT_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6c86c7edafa7..ddd47c3a757d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1957,7 +1957,10 @@ struct napi_gro_cb {
         /* Used in foo-over-udp, set in udp[46]_gro_receive */
         u8      is_ipv6:1;
 
-        /* 7 bit hole */
+        /* Number of gro_receive callbacks this packet already went through */
+        u8 recursion_counter:4;
+
+        /* 3 bit hole */
 
         /* used to support CHECKSUM_COMPLETE for tunneling protocols */
         __wsum  csum;
@@ -1968,6 +1971,25 @@ struct napi_gro_cb {
 
 #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
 
+#define GRO_RECURSION_LIMIT 15
+static inline int gro_recursion_inc_test(struct sk_buff *skb)
+{
+        return ++NAPI_GRO_CB(skb)->recursion_counter == GRO_RECURSION_LIMIT;
+}
+
+typedef struct sk_buff **(*gro_receive_t)(struct sk_buff **, struct sk_buff *);
+static inline struct sk_buff **call_gro_receive(gro_receive_t cb,
+                                                struct sk_buff **head,
+                                                struct sk_buff *skb)
+{
+        if (gro_recursion_inc_test(skb)) {
+                NAPI_GRO_CB(skb)->flush |= 1;
+                return NULL;
+        }
+
+        return cb(head, skb);
+}
+
 struct packet_type {
         __be16                  type;   /* This is really htons(ether_type). */
         struct net_device       *dev;   /* NULL is wildcarded here           */
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 3e96a6a76103..d1a8ad7e5ae4 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -95,6 +95,7 @@ extern int set_posix_acl(struct inode *, int, struct posix_acl *);
 extern int posix_acl_chmod(struct inode *, umode_t);
 extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **,
                 struct posix_acl **);
+extern int posix_acl_update_mode(struct inode *, umode_t *, struct posix_acl **);
 
 extern int simple_set_acl(struct inode *, struct posix_acl *, int);
 extern int simple_acl_create(struct inode *, struct inode *);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 6d204f3f9df8..3d3a365233f0 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1434,6 +1434,8 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli
 {
         if (sk->sk_send_head == skb_unlinked)
                 sk->sk_send_head = NULL;
+        if (tcp_sk(sk)->highest_sack == skb_unlinked)
+                tcp_sk(sk)->highest_sack = NULL;
 }
 
 static inline void tcp_init_send_head(struct sock *sk)