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drm/r600: fix possible NULL pointer derefernce
author
Alex Deucher
<alexdeucher@gmail.com>
Wed, 21 Jul 2010 00:29:32 +0000
(10:29 +1000)
committer
Dave Airlie
<airlied@redhat.com>
Wed, 21 Jul 2010 00:29:32 +0000
(10:29 +1000)
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>
drivers/gpu/drm/radeon/r600_blit.c
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diff --git
a/drivers/gpu/drm/radeon/r600_blit.c
b/drivers/gpu/drm/radeon/r600_blit.c
index
f4fb88e
..
ca5c29f
100644
(file)
--- 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;