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path: root/drivers/w1/w1_int.c
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Diffstat (limited to 'drivers/w1/w1_int.c')
-rw-r--r--drivers/w1/w1_int.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 6840dfebe4d4..ed3228017dad 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -148,10 +148,22 @@ err_out_free_dev:
void __w1_remove_master_device(struct w1_master *dev)
{
struct w1_netlink_msg msg;
+ struct w1_slave *sl, *sln;
set_bit(W1_MASTER_NEED_EXIT, &dev->flags);
kthread_stop(dev->thread);
+ mutex_lock(&w1_mlock);
+ list_del(&dev->w1_master_entry);
+ mutex_unlock(&w1_mlock);
+
+ mutex_lock(&dev->mutex);
+ list_for_each_entry_safe(sl, sln, &dev->slist, w1_slave_entry)
+ w1_slave_detach(sl);
+ w1_destroy_master_attributes(dev);
+ mutex_unlock(&dev->mutex);
+ atomic_dec(&dev->refcnt);
+
while (atomic_read(&dev->refcnt)) {
dev_info(&dev->dev, "Waiting for %s to become free: refcnt=%d.\n",
dev->name, atomic_read(&dev->refcnt));