Merge branches 'stable/ia64', 'stable/blkfront-cleanup' and 'stable/cleanup' of git...

[pandora-kernel.git] / drivers / gpu / drm / drm_fops.c

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index a39794b..2ec7d48 100644 (file)
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -236,6 +236,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
                return -EBUSY;  /* No exclusive opens */
        if (!drm_cpu_valid())
                return -EINVAL;
+       if (dev->switch_power_state != DRM_SWITCH_POWER_ON)
+               return -EINVAL;
 
        DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor_id);