Merge tag 'drm-amdkfd-next-fixes-2015-06-16' of git://people.freedesk…

…top.org/~gabbayo/linux into drm-next

- Dan fixed some range checks in the address watch ioctl impl.
- Remove obsolete member from radeon_device structure

* tag 'drm-amdkfd-next-fixes-2015-06-16' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: fix some range checks in address watch ioctl
  drm/radeon: remove obsolete kfd_bo from radeon_device

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

@@ -553,7 +553,7 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep,
 	/* Validate arguments */
 
 	if ((args->buf_size_in_bytes > MAX_ALLOWED_AW_BUFF_SIZE) ||
-		(args->buf_size_in_bytes <= sizeof(*args)) ||
+		(args->buf_size_in_bytes <= sizeof(*args) + sizeof(int) * 2) ||
 		(cmd_from_user == NULL))
 		return -EINVAL;
 
@@ -590,7 +590,7 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep,
 	/* skip over the addresses buffer */
 	args_idx += sizeof(aw_info.watch_address) * aw_info.num_watch_points;
 
-	if (args_idx >= args->buf_size_in_bytes) {
+	if (args_idx >= args->buf_size_in_bytes - sizeof(*args)) {
 		kfree(args_buff);
 		return -EINVAL;
 	}
@@ -614,7 +614,7 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep,
 		args_idx += sizeof(aw_info.watch_mask);
 	}
 
-	if (args_idx > args->buf_size_in_bytes) {
+	if (args_idx >= args->buf_size_in_bytes - sizeof(args)) {
 		kfree(args_buff);
 		return -EINVAL;
 	}

drivers/gpu/drm/radeon/radeon.h

@@ -2458,7 +2458,6 @@ struct radeon_device {
 
 	/* amdkfd interface */
 	struct kfd_dev		*kfd;
-	struct radeon_sa_manager	kfd_bo;
 
 	struct mutex	mn_lock;
 	DECLARE_HASHTABLE(mn_hash, 7);