drm/r600: fix possible NULL pointer derefernce

Reported-by: Alexander Y. Fomichev <git.user@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-07-21 10:29:32 +10:00 committed by Dave Airlie
parent e153b70b89
commit c42750b026

View File

@ -538,9 +538,12 @@ int
r600_prepare_blit_copy(struct drm_device *dev, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
int ret;
DRM_DEBUG("\n");
r600_nomm_get_vb(dev);
ret = r600_nomm_get_vb(dev);
if (ret)
return ret;
dev_priv->blit_vb->file_priv = file_priv;