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-rw-r--r--net/Kconfig1
-rw-r--r--net/bluetooth/hci_core.c9
-rw-r--r--net/bluetooth/hidp/core.c56
-rw-r--r--net/bluetooth/hidp/hidp.h2
-rw-r--r--net/core/netpoll.c1
-rw-r--r--net/core/utils.c22
-rw-r--r--net/ipv4/inet_fragment.c2
-rw-r--r--net/mac80211/main.c2
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c4
-rw-r--r--net/sunrpc/sched.c2
-rw-r--r--net/sunrpc/svc.c2
-rw-r--r--net/unix/af_unix.c3
12 files changed, 63 insertions, 43 deletions
diff --git a/net/Kconfig b/net/Kconfig
index 2ddc9046868e..6dfe1c636a80 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -5,6 +5,7 @@
menuconfig NET
bool "Networking support"
select NLATTR
+ select GENERIC_NET_UTILS
---help---
Unless you really know what you are doing, you should say Y here.
The reason is that some programs need kernel networking support even
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ace5e55fe5a3..db7de80b88a2 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2211,16 +2211,15 @@ int hci_register_dev(struct hci_dev *hdev)
list_add(&hdev->list, &hci_dev_list);
write_unlock(&hci_dev_list_lock);
- hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND |
- WQ_MEM_RECLAIM, 1);
+ hdev->workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND |
+ WQ_MEM_RECLAIM, 1, hdev->name);
if (!hdev->workqueue) {
error = -ENOMEM;
goto err;
}
- hdev->req_workqueue = alloc_workqueue(hdev->name,
- WQ_HIGHPRI | WQ_UNBOUND |
- WQ_MEM_RECLAIM, 1);
+ hdev->req_workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND |
+ WQ_MEM_RECLAIM, 1, hdev->name);
if (!hdev->req_workqueue) {
destroy_workqueue(hdev->workqueue);
error = -ENOMEM;
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 940f5acb6694..46c6a148f0b3 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -851,6 +851,29 @@ static void hidp_session_dev_del(struct hidp_session *session)
}
/*
+ * Asynchronous device registration
+ * HID device drivers might want to perform I/O during initialization to
+ * detect device types. Therefore, call device registration in a separate
+ * worker so the HIDP thread can schedule I/O operations.
+ * Note that this must be called after the worker thread was initialized
+ * successfully. This will then add the devices and increase session state
+ * on success, otherwise it will terminate the session thread.
+ */
+static void hidp_session_dev_work(struct work_struct *work)
+{
+ struct hidp_session *session = container_of(work,
+ struct hidp_session,
+ dev_init);
+ int ret;
+
+ ret = hidp_session_dev_add(session);
+ if (!ret)
+ atomic_inc(&session->state);
+ else
+ hidp_session_terminate(session);
+}
+
+/*
* Create new session object
* Allocate session object, initialize static fields, copy input data into the
* object and take a reference to all sub-objects.
@@ -897,6 +920,7 @@ static int hidp_session_new(struct hidp_session **out, const bdaddr_t *bdaddr,
session->idle_to = req->idle_to;
/* device management */
+ INIT_WORK(&session->dev_init, hidp_session_dev_work);
setup_timer(&session->timer, hidp_idle_timeout,
(unsigned long)session);
@@ -1035,8 +1059,8 @@ static void hidp_session_terminate(struct hidp_session *session)
* Probe HIDP session
* This is called from the l2cap_conn core when our l2cap_user object is bound
* to the hci-connection. We get the session via the \user object and can now
- * start the session thread, register the HID/input devices and link it into
- * the global session list.
+ * start the session thread, link it into the global session list and
+ * schedule HID/input device registration.
* The global session-list owns its own reference to the session object so you
* can drop your own reference after registering the l2cap_user object.
*/
@@ -1058,21 +1082,30 @@ static int hidp_session_probe(struct l2cap_conn *conn,
goto out_unlock;
}
+ if (session->input) {
+ ret = hidp_session_dev_add(session);
+ if (ret)
+ goto out_unlock;
+ }
+
ret = hidp_session_start_sync(session);
if (ret)
- goto out_unlock;
+ goto out_del;
- ret = hidp_session_dev_add(session);
- if (ret)
- goto out_stop;
+ /* HID device registration is async to allow I/O during probe */
+ if (session->input)
+ atomic_inc(&session->state);
+ else
+ schedule_work(&session->dev_init);
hidp_session_get(session);
list_add(&session->list, &hidp_session_list);
ret = 0;
goto out_unlock;
-out_stop:
- hidp_session_terminate(session);
+out_del:
+ if (session->input)
+ hidp_session_dev_del(session);
out_unlock:
up_write(&hidp_session_sem);
return ret;
@@ -1102,7 +1135,12 @@ static void hidp_session_remove(struct l2cap_conn *conn,
down_write(&hidp_session_sem);
hidp_session_terminate(session);
- hidp_session_dev_del(session);
+
+ cancel_work_sync(&session->dev_init);
+ if (session->input ||
+ atomic_read(&session->state) > HIDP_SESSION_PREPARING)
+ hidp_session_dev_del(session);
+
list_del(&session->list);
up_write(&hidp_session_sem);
diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h
index 6162ce8606ac..9e6cc3553105 100644
--- a/net/bluetooth/hidp/hidp.h
+++ b/net/bluetooth/hidp/hidp.h
@@ -128,6 +128,7 @@ int hidp_get_conninfo(struct hidp_conninfo *ci);
enum hidp_session_state {
HIDP_SESSION_IDLING,
+ HIDP_SESSION_PREPARING,
HIDP_SESSION_RUNNING,
};
@@ -156,6 +157,7 @@ struct hidp_session {
unsigned long idle_to;
/* device management */
+ struct work_struct dev_init;
struct input_dev *input;
struct hid_device *hid;
struct timer_list timer;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index cec074be8c43..35a9f0804b6f 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -12,6 +12,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/moduleparam.h>
+#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
diff --git a/net/core/utils.c b/net/core/utils.c
index 3c7f5b51b979..aa88e23fc87a 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -338,25 +338,3 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
csum_unfold(*sum)));
}
EXPORT_SYMBOL(inet_proto_csum_replace16);
-
-int mac_pton(const char *s, u8 *mac)
-{
- int i;
-
- /* XX:XX:XX:XX:XX:XX */
- if (strlen(s) < 3 * ETH_ALEN - 1)
- return 0;
-
- /* Don't dirty result unless string is valid MAC. */
- for (i = 0; i < ETH_ALEN; i++) {
- if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))
- return 0;
- if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
- return 0;
- }
- for (i = 0; i < ETH_ALEN; i++) {
- mac[i] = (hex_to_bin(s[i * 3]) << 4) | hex_to_bin(s[i * 3 + 1]);
- }
- return 1;
-}
-EXPORT_SYMBOL(mac_pton);
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 7e06641e36ae..cec539458307 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -93,7 +93,7 @@ void inet_frags_init(struct inet_frags *f)
}
rwlock_init(&f->lock);
- f->rnd = (u32) ((num_physpages ^ (num_physpages>>7)) ^
+ f->rnd = (u32) ((totalram_pages ^ (totalram_pages >> 7)) ^
(jiffies ^ (jiffies >> 6)));
setup_timer(&f->secret_timer, inet_frag_secret_rebuild,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 8a7bfc47d577..8eae74ac4e1e 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -921,7 +921,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
hw->queues = IEEE80211_MAX_QUEUES;
local->workqueue =
- alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0);
+ alloc_ordered_workqueue("%s", 0, wiphy_name(local->hw.wiphy));
if (!local->workqueue) {
result = -ENOMEM;
goto fail_workqueue;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 29b4ba93ab3c..b05ace4c5f12 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1330,7 +1330,7 @@ static int wait_for_gss_proxy(struct net *net, struct file *file)
static ssize_t write_gssp(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct net *net = PDE_DATA(file->f_path.dentry->d_inode);
+ struct net *net = PDE_DATA(file_inode(file));
char tbuf[20];
unsigned long i;
int res;
@@ -1358,7 +1358,7 @@ static ssize_t write_gssp(struct file *file, const char __user *buf,
static ssize_t read_gssp(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- struct net *net = PDE_DATA(file->f_path.dentry->d_inode);
+ struct net *net = PDE_DATA(file_inode(file));
unsigned long p = *ppos;
char tbuf[10];
size_t len;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 5356b120dbf8..77d251e02593 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -254,7 +254,7 @@ static int rpc_wait_bit_killable(void *word)
{
if (fatal_signal_pending(current))
return -ERESTARTSYS;
- freezable_schedule();
+ freezable_schedule_unsafe();
return 0;
}
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 89a588b4478b..b974571126fe 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -740,7 +740,7 @@ svc_set_num_threads(struct svc_serv *serv, struct svc_pool *pool, int nrservs)
__module_get(serv->sv_module);
task = kthread_create_on_node(serv->sv_function, rqstp,
- node, serv->sv_name);
+ node, "%s", serv->sv_name);
if (IS_ERR(task)) {
error = PTR_ERR(task);
module_put(serv->sv_module);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 826e09938bff..c4ce243824bb 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -114,6 +114,7 @@
#include <linux/mount.h>
#include <net/checksum.h>
#include <linux/security.h>
+#include <linux/freezer.h>
struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
EXPORT_SYMBOL_GPL(unix_socket_table);
@@ -1879,7 +1880,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo,
set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
unix_state_unlock(sk);
- timeo = schedule_timeout(timeo);
+ timeo = freezable_schedule_timeout(timeo);
unix_state_lock(sk);
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}