RDMA/ucma: BKL is not needed for ucma_open()

#include <linux/in.h>

#include <linux/in6.h>

#include <linux/miscdevice.h>

#include <linux/smp_lock.h>

#include <rdma/rdma_user_cm.h>

#include <rdma/ib_marshall.h>

	return mask;

}

/*

 * ucma_open() does not need the BKL:

 *

 *  - no global state is referred to;

 *  - there is no ioctl method to race against;

 *  - no further module initialization is required for open to work

 *    after the device is registered.

 */

static int ucma_open(struct inode *inode, struct file *filp)

{

	struct ucma_file *file;

	if (!file)

		return -ENOMEM;

	lock_kernel();

	INIT_LIST_HEAD(&file->event_list);

	INIT_LIST_HEAD(&file->ctx_list);

	init_waitqueue_head(&file->poll_wait);

	filp->private_data = file;

	file->filp = filp;

	unlock_kernel();

	return 0;

}