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Staging: comedi: comedi_fops.c: Fixed coding style issue

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Fixed following checkpatch.pl warnings
WARNING: Prefer WRITE_ONCE(<FOO>, <BAR>) over ACCESS_ONCE(<FOO>) = <BAR>

WARNING: Prefer READ_ONCE(<FOO>) over ACCESS_ONCE(<FOO>)

Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shyam Saini 2016-05-10 21:21:07 +05:30 committed by Greg Kroah-Hartman
parent 277b861349
commit 34d3473263
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/comedi/comedi_fops.c
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@ -312,8 +312,8 @@ static void comedi_file_reset(struct file *file)
}
cfp->last_attached = dev->attached;
cfp->last_detach_count = dev->detach_count;
ACCESS_ONCE(cfp->read_subdev) = read_s;
ACCESS_ONCE(cfp->write_subdev) = write_s;
WRITE_ONCE(cfp->read_subdev, read_s);
WRITE_ONCE(cfp->write_subdev, write_s);
}
static void comedi_file_check(struct file *file)
@ -331,7 +331,7 @@ static struct comedi_subdevice *comedi_file_read_subdevice(struct file *file)
struct comedi_file *cfp = file->private_data;
comedi_file_check(file);
return ACCESS_ONCE(cfp->read_subdev);
return READ_ONCE(cfp->read_subdev);
}
static struct comedi_subdevice *comedi_file_write_subdevice(struct file *file)
@ -339,7 +339,7 @@ static struct comedi_subdevice *comedi_file_write_subdevice(struct file *file)
struct comedi_file *cfp = file->private_data;
comedi_file_check(file);
return ACCESS_ONCE(cfp->write_subdev);
return READ_ONCE(cfp->write_subdev);
}
static int resize_async_buffer(struct comedi_device *dev,
@ -1992,7 +1992,7 @@ static int do_setrsubd_ioctl(struct comedi_device *dev, unsigned long arg,
!(s_old->async->cmd.flags & CMDF_WRITE))
return -EBUSY;
ACCESS_ONCE(cfp->read_subdev) = s_new;
WRITE_ONCE(cfp->read_subdev, s_new);
return 0;
}
@ -2034,7 +2034,7 @@ static int do_setwsubd_ioctl(struct comedi_device *dev, unsigned long arg,
(s_old->async->cmd.flags & CMDF_WRITE))
return -EBUSY;
ACCESS_ONCE(cfp->write_subdev) = s_new;
WRITE_ONCE(cfp->write_subdev, s_new);
return 0;
}