kernel_thread() is a low-level implementation detail and
EXPORT_SYMBOL(kernel_thread) is scheduled for removal.
Use the <linux/kthread.h> API instead.
Signed-off-by: Szymon Janc <szymon.janc@xxxxxxxxx>
---
net/bluetooth/bnep/bnep.h | 2 +-
net/bluetooth/bnep/core.c | 21 ++++++++-------------
2 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index d768e04..8e6c061 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -155,7 +155,7 @@ struct bnep_session {
unsigned int role;
unsigned long state;
unsigned long flags;
- atomic_t killed;
+ struct task_struct *task;
struct ethhdr eh;
struct msghdr msg;
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 0a2e76b..ca39fcf 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -36,6 +36,7 @@
#include <linux/errno.h>
#include <linux/net.h>
#include <linux/slab.h>
+#include <linux/kthread.h>
#include <net/sock.h>
#include <linux/socket.h>
@@ -479,12 +480,11 @@ static int bnep_session(void *arg)
BT_DBG("");
- daemonize("kbnepd %s", dev->name);
set_user_nice(current, -15);
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!atomic_read(&s->killed)) {
+ while (!kthread_should_stop()) {
set_current_state(TASK_INTERRUPTIBLE);
/* RX */
@@ -611,11 +611,12 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
__bnep_link_session(s);
- err = kernel_thread(bnep_session, s, CLONE_KERNEL);
- if (err < 0) {
+ s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
+ if (IS_ERR(s->task)) {
/* Session thread start failed, gotta cleanup. */
unregister_netdev(dev);
__bnep_unlink_session(s);
+ err = PTR_ERR(s->task);
goto failed;
}
@@ -639,15 +640,9 @@ int bnep_del_connection(struct bnep_conndel_req *req)
down_read(&bnep_session_sem);
s = __bnep_get_session(req->dst);
- if (s) {
- /* Wakeup user-space which is polling for socket errors.
- * This is temporary hack until we have shutdown in L2CAP */
- s->sock->sk->sk_err = EUNATCH;
-
- /* Kill session thread */
- atomic_inc(&s->killed);
- wake_up_interruptible(sk_sleep(s->sock->sk));
- } else
+ if (s)
+ kthread_stop(s->task);
+ else
err = -ENOENT;
up_read(&bnep_session_sem);
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
