From: Andy Eleftherion <andy@eleftherion.com>
To: gregkh@linuxfoundation.org
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
Andy Eleftherion <andy@eleftherion.com>
Subject: [PATCH] Staging: comedi: comedi_fops.c: Replaced ACCESS_ONCE with READ/WRITE_ONCE
Date: Sun, 5 Jun 2016 20:10:50 -0700 [thread overview]
Message-ID: <1465182650-22875-1-git-send-email-andy@eleftherion.com> (raw)
Replaced ACCESS_ONCE calls with READ/WRITE_ONCE calls.
Signed-off-by: Andy Eleftherion <andy@eleftherion.com>
---
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;
}
--
1.9.1
next reply other threads:[~2016-06-06 3:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-06 3:10 Andy Eleftherion [this message]
2016-06-18 4:03 ` Greg KH
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