-/**
- * \file i915_ioc32.c
- *
+/*
* 32-bit ioctl compatibility routines for the i915 DRM.
*
- * \author Alan Hourihane <alanh@fairlite.demon.co.uk>
- *
- *
* Copyright (C) Paul Mackerras 2005
* Copyright (C) Alan Hourihane 2005
* All Rights Reserved.
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
+ *
+ * Author: Alan Hourihane <alanh@fairlite.demon.co.uk>
*/
#include <linux/compat.h>
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || __put_user(req32.param, &request->param)
- || __put_user((void __user *)(unsigned long)req32.value,
- &request->value))
+ if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) ||
+ __put_user(req32.param, &request->param) ||
+ __put_user((void __user *)(unsigned long)req32.value,
+ &request->value))
return -EFAULT;
return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM,
};
/**
+ * i915_compat_ioctl - handle the mistakes of the past
+ * @filp: the file pointer
+ * @cmd: the ioctl command (and encoded flags)
+ * @arg: the ioctl argument (from userspace)
+ *
* Called whenever a 32-bit process running under a 64-bit kernel
* performs an ioctl on /dev/dri/card<n>.
- *
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument.
- * \return zero on success or negative number on failure.
*/
long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{