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Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: DRM: fix memset size error
  drm: remove remnants of DRM_COPY_FROM/TO_USER_IOCTL
  drm: remove second forward decleration of drm device struct.
Linus Torvalds 17 سال پیش
والد
کامیت
2658770b2c
4فایلهای تغییر یافته به همراه1 افزوده شده و 14 حذف شده
  1. 0 2
      drivers/char/drm/drmP.h
  2. 1 1
      drivers/char/drm/drm_ioctl.c
  3. 0 8
      drivers/char/drm/drm_os_linux.h
  4. 0 3
      drivers/char/drm/savage_bci.c

+ 0 - 2
drivers/char/drm/drmP.h

@@ -559,8 +559,6 @@ struct drm_mm {
  * a family of cards. There will one drm_device for each card present
  * in this family
  */
-struct drm_device;
-
 struct drm_driver {
 	int (*load) (struct drm_device *, unsigned long flags);
 	int (*firstopen) (struct drm_device *);

+ 1 - 1
drivers/char/drm/drm_ioctl.c

@@ -272,7 +272,7 @@ int drm_getstats(struct drm_device *dev, void *data,
 	struct drm_stats *stats = data;
 	int i;
 
-	memset(stats, 0, sizeof(stats));
+	memset(stats, 0, sizeof(*stats));
 
 	mutex_lock(&dev->struct_mutex);
 

+ 0 - 8
drivers/char/drm/drm_os_linux.h

@@ -62,14 +62,6 @@ static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
 
 #endif
 
-/** For data going into the kernel through the ioctl argument */
-#define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3)	\
-	if ( copy_from_user(&arg1, arg2, arg3) )	\
-		return -EFAULT
-/** For data going from the kernel through the ioctl argument */
-#define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3)	\
-	if ( copy_to_user(arg1, &arg2, arg3) )		\
-		return -EFAULT
 /** Other copying of data to kernel space */
 #define DRM_COPY_FROM_USER(arg1, arg2, arg3)		\
 	copy_from_user(arg1, arg2, arg3)

+ 0 - 3
drivers/char/drm/savage_bci.c

@@ -968,9 +968,6 @@ static int savage_bci_event_wait(struct drm_device *dev, void *data, struct drm_
 
 	DRM_DEBUG("\n");
 
-	DRM_COPY_FROM_USER_IOCTL(event, (drm_savage_event_wait_t __user *) data,
-				 sizeof(event));
-
 	UPDATE_EVENT_COUNTER();
 	if (dev_priv->status_ptr)
 		hw_e = dev_priv->status_ptr[1] & 0xffff;