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-rw-r--r--net/bluetooth/cmtp/capi.c6
-rw-r--r--net/bluetooth/cmtp/cmtp.h11
-rw-r--r--net/bluetooth/cmtp/core.c28
-rw-r--r--net/bluetooth/cmtp/sock.c2
4 files changed, 23 insertions, 24 deletions
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 67cff810..744233c 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -35,6 +35,7 @@
#include <linux/ioctl.h>
#include <linux/file.h>
#include <linux/wait.h>
+#include <linux/kthread.h>
#include <net/sock.h>
#include <linux/isdn/capilli.h>
@@ -143,7 +144,7 @@ static void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb)
skb_queue_tail(&session->transmit, skb);
- cmtp_schedule(session);
+ wake_up_interruptible(sk_sleep(session->sock->sk));
}
static void cmtp_send_interopmsg(struct cmtp_session *session,
@@ -386,8 +387,7 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
capi_ctr_down(ctrl);
- atomic_inc(&session->terminate);
- cmtp_schedule(session);
+ kthread_stop(session->task);
}
static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)
diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h
index 785e79e..db43b54 100644
--- a/net/bluetooth/cmtp/cmtp.h
+++ b/net/bluetooth/cmtp/cmtp.h
@@ -37,7 +37,7 @@
#define CMTP_LOOPBACK 0
struct cmtp_connadd_req {
- int sock; // Connected socket
+ int sock; /* Connected socket */
__u32 flags;
};
@@ -81,7 +81,7 @@ struct cmtp_session {
char name[BTNAMSIZ];
- atomic_t terminate;
+ struct task_struct *task;
wait_queue_head_t wait;
@@ -121,13 +121,6 @@ void cmtp_detach_device(struct cmtp_session *session);
void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
-static inline void cmtp_schedule(struct cmtp_session *session)
-{
- struct sock *sk = session->sock->sk;
-
- wake_up_interruptible(sk_sleep(sk));
-}
-
/* CMTP init defines */
int cmtp_init_sockets(void);
void cmtp_cleanup_sockets(void);
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 964ea91..c5b11af 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -35,6 +35,7 @@
#include <linux/ioctl.h>
#include <linux/file.h>
#include <linux/init.h>
+#include <linux/kthread.h>
#include <net/sock.h>
#include <linux/isdn/capilli.h>
@@ -235,9 +236,12 @@ static void cmtp_process_transmit(struct cmtp_session *session)
size = min_t(uint, ((tail < 258) ? (tail - 2) : (tail - 3)), skb->len);
- if ((scb->id < 0) && ((scb->id = cmtp_alloc_block_id(session)) < 0)) {
- skb_queue_head(&session->transmit, skb);
- break;
+ if (scb->id < 0) {
+ scb->id = cmtp_alloc_block_id(session);
+ if (scb->id < 0) {
+ skb_queue_head(&session->transmit, skb);
+ break;
+ }
}
if (size < 256) {
@@ -284,12 +288,11 @@ static int cmtp_session(void *arg)
BT_DBG("session %p", session);
- daemonize("kcmtpd_ctr_%d", session->num);
set_user_nice(current, -15);
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!atomic_read(&session->terminate)) {
+ while (!kthread_should_stop()) {
set_current_state(TASK_INTERRUPTIBLE);
if (sk->sk_state != BT_CONNECTED)
@@ -343,7 +346,8 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
bacpy(&session->bdaddr, &bt_sk(sock->sk)->dst);
- session->mtu = min_t(uint, l2cap_pi(sock->sk)->omtu, l2cap_pi(sock->sk)->imtu);
+ session->mtu = min_t(uint, l2cap_pi(sock->sk)->chan->omtu,
+ l2cap_pi(sock->sk)->chan->imtu);
BT_DBG("mtu %d", session->mtu);
@@ -367,9 +371,12 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
__cmtp_link_session(session);
- err = kernel_thread(cmtp_session, session, CLONE_KERNEL);
- if (err < 0)
+ session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
+ session->num);
+ if (IS_ERR(session->task)) {
+ err = PTR_ERR(session->task);
goto unlink;
+ }
if (!(session->flags & (1 << CMTP_LOOPBACK))) {
err = cmtp_attach_device(session);
@@ -406,9 +413,8 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
/* Flush the transmit queue */
skb_queue_purge(&session->transmit);
- /* Kill session thread */
- atomic_inc(&session->terminate);
- cmtp_schedule(session);
+ /* Stop session thread */
+ kthread_stop(session->task);
} else
err = -ENOENT;
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 7ea1979..3f2dd5c 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -34,12 +34,12 @@
#include <linux/file.h>
#include <linux/compat.h>
#include <linux/gfp.h>
+#include <linux/uaccess.h>
#include <net/sock.h>
#include <linux/isdn/capilli.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#include "cmtp.h"