**Intro** The following patch fixes warnings thrown by checkpatch.pl script. The warnings are: "It is preferable to use WRITE_ONCE(<Foo>, <Bar>) instead of ACCESS_ONCE(<Foo>) = <Bar>" "It is preferable to use READ_ONCE(<Foo>) instead of ACCESS_ONCE(<Foo>)" Signed-off-by: Rithvik Patibandla <rithvikp98@xxxxxxxxx> --- drivers/staging/comedi/comedi_fops.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 629080f..4d87596 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -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; } -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
