From c42750b0261274107ae85c894c088e618a3e38b9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 21 Jul 2010 10:29:32 +1000 Subject: [PATCH] drm/r600: fix possible NULL pointer derefernce Reported-by: Alexander Y. Fomichev Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600_blit.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c index f4fb88ece2bb..ca5c29f70779 100644 --- a/drivers/gpu/drm/radeon/r600_blit.c +++ b/drivers/gpu/drm/radeon/r600_blit.c @@ -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;