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Commit 3b759c75 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Greg Kroah-Hartman
Browse files

USB: mon: kill BKL usage 



compat_ioctl does not use the BKL, so I assume that
the native function does not need it either.

The open function is already protected by the
driver's mutex, the BKL is probably not needed
here either.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 1548b13b

drivers/usb/mon/mon_bin.c

+2 −20
Original line number Diff line number Diff line
@@ -646,17 +646,14 @@ static int mon_bin_open(struct inode *inode, struct file *file) 
	size_t size;

	int rc;



	lock_kernel();

	mutex_lock(&mon_lock);

	if ((mbus = mon_bus_lookup(iminor(inode))) == NULL) {

		mutex_unlock(&mon_lock);

		unlock_kernel();

		return -ENODEV;

	}

	if (mbus != &mon_bus0 && mbus->u_bus == NULL) {

		printk(KERN_ERR TAG ": consistency error on open\n");

		mutex_unlock(&mon_lock);

		unlock_kernel();

		return -ENODEV;

	}
@@ -689,7 +686,6 @@ static int mon_bin_open(struct inode *inode, struct file *file) 


	file->private_data = rp;

	mutex_unlock(&mon_lock);

	unlock_kernel();

	return 0;



err_allocbuff:
@@ -698,7 +694,6 @@ static int mon_bin_open(struct inode *inode, struct file *file) 
	kfree(rp);

err_alloc:

	mutex_unlock(&mon_lock);

	unlock_kernel();

	return rc;

}
@@ -954,7 +949,7 @@ static int mon_bin_queued(struct mon_reader_bin *rp) 


/*

 */

static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

{

	struct mon_reader_bin *rp = file->private_data;

	// struct mon_bus* mbus = rp->r.m_bus;
@@ -1094,19 +1089,6 @@ static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
	return ret;

}



static long mon_bin_unlocked_ioctl(struct file *file, unsigned int cmd,

				   unsigned long arg)

{

	int ret;



	lock_kernel();

	ret = mon_bin_ioctl(file, cmd, arg);

	unlock_kernel();



	return ret;

}





#ifdef CONFIG_COMPAT

static long mon_bin_compat_ioctl(struct file *file,

    unsigned int cmd, unsigned long arg)
@@ -1250,7 +1232,7 @@ static const struct file_operations mon_fops_binary = { 
	.read =		mon_bin_read,

	/* .write =	mon_text_write, */

	.poll =		mon_bin_poll,

	.unlocked_ioctl = mon_bin_unlocked_ioctl,

	.unlocked_ioctl = mon_bin_ioctl,

#ifdef CONFIG_COMPAT

	.compat_ioctl =	mon_bin_compat_ioctl,

#endif