drm: Replace DRM_IOCTL_ARGS with (dev, data, file_priv) and remove DRM_DEVICE.
The data is now in kernel space, copied in/out as appropriate according to t
This results in DRM_COPY_{TO,FROM}_USER going away, and error paths to deal
with those failures. This also means that XFree86 4.2.0 support for i810 DR
is lost.
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c
index dc66cfe..a734627 100644
--- a/drivers/char/drm/drm_auth.c
+++ b/drivers/char/drm/drm_auth.c
@@ -137,32 +137,29 @@
* searches an unique non-zero magic number and add it associating it with \p
* file_priv.
*/
-int drm_getmagic(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
static drm_magic_t sequence = 0;
static DEFINE_SPINLOCK(lock);
- struct drm_device *dev = file_priv->head->dev;
- struct drm_auth auth;
+ struct drm_auth *auth = data;
/* Find unique magic */
if (file_priv->magic) {
- auth.magic = file_priv->magic;
+ auth->magic = file_priv->magic;
} else {
do {
spin_lock(&lock);
if (!sequence)
++sequence; /* reserve 0 */
- auth.magic = sequence++;
+ auth->magic = sequence++;
spin_unlock(&lock);
- } while (drm_find_file(dev, auth.magic));
- file_priv->magic = auth.magic;
- drm_add_magic(dev, file_priv, auth.magic);
+ } while (drm_find_file(dev, auth->magic));
+ file_priv->magic = auth->magic;
+ drm_add_magic(dev, file_priv, auth->magic);
}
- DRM_DEBUG("%u\n", auth.magic);
- if (copy_to_user((struct drm_auth __user *) arg, &auth, sizeof(auth)))
- return -EFAULT;
+ DRM_DEBUG("%u\n", auth->magic);
+
return 0;
}
@@ -177,19 +174,16 @@
*
* Checks if \p file_priv is associated with the magic number passed in \arg.
*/
-int drm_authmagic(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+int drm_authmagic(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
- struct drm_auth auth;
+ struct drm_auth *auth = data;
struct drm_file *file;
- if (copy_from_user(&auth, (struct drm_auth __user *) arg, sizeof(auth)))
- return -EFAULT;
- DRM_DEBUG("%u\n", auth.magic);
- if ((file = drm_find_file(dev, auth.magic))) {
+ DRM_DEBUG("%u\n", auth->magic);
+ if ((file = drm_find_file(dev, auth->magic))) {
file->authenticated = 1;
- drm_remove_magic(dev, auth.magic);
+ drm_remove_magic(dev, auth->magic);
return 0;
}
return -EINVAL;