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-rw-r--r--drivers/staging/most/aim-cdev/cdev.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index 7f51024dc5eb..1e5cbc893496 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -99,11 +99,16 @@ static void destroy_cdev(struct aim_channel *c)
device_destroy(aim_class, c->devno);
cdev_del(&c->cdev);
- kfifo_free(&c->fifo);
spin_lock_irqsave(&ch_list_lock, flags);
list_del(&c->list);
spin_unlock_irqrestore(&ch_list_lock, flags);
+}
+
+static void destroy_channel(struct aim_channel *c)
+{
ida_simple_remove(&minor_id, MINOR(c->devno));
+ kfifo_free(&c->fifo);
+ kfree(c);
}
/**
@@ -170,9 +175,8 @@ static int aim_close(struct inode *inode, struct file *filp)
stop_channel(c);
mutex_unlock(&c->io_mutex);
} else {
- destroy_cdev(c);
mutex_unlock(&c->io_mutex);
- kfree(c);
+ destroy_channel(c);
}
return 0;
}
@@ -337,14 +341,14 @@ static int aim_disconnect_channel(struct most_interface *iface, int channel_id)
spin_lock(&c->unlink);
c->dev = NULL;
spin_unlock(&c->unlink);
+ destroy_cdev(c);
if (c->access_ref) {
stop_channel(c);
wake_up_interruptible(&c->wq);
mutex_unlock(&c->io_mutex);
} else {
- destroy_cdev(c);
mutex_unlock(&c->io_mutex);
- kfree(c);
+ destroy_channel(c);
}
return 0;
}
@@ -546,7 +550,7 @@ static void __exit mod_exit(void)
list_for_each_entry_safe(c, tmp, &channel_list, list) {
destroy_cdev(c);
- kfree(c);
+ destroy_channel(c);
}
class_destroy(aim_class);
unregister_chrdev_region(aim_devno, 1);