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authorMarcin Slusarz <marcin.slusarz@gmail.com>2010-01-30 15:41:00 +0100
committerBen Skeggs <bskeggs@redhat.com>2010-02-11 09:52:00 +1000
commitdd19e44b28b12f7ea59ebb54d8ea18054da7f9d1 (patch)
treeb41add6f15ebf6b7666f45b1b3d7002b3f29036b /drivers/gpu/drm/nouveau/nouveau_sgdma.c
parentb1d37aa0aa43c5bf857364093ab2191acd37f2ec (diff)
downloadop-kernel-dev-dd19e44b28b12f7ea59ebb54d8ea18054da7f9d1.zip
op-kernel-dev-dd19e44b28b12f7ea59ebb54d8ea18054da7f9d1.tar.gz
drm/nouveau: move dereferences after null checks
Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Maarten Maathuis <madman2003@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_sgdma.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_sgdma.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 4c7f1e4..ed15905 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -54,11 +54,12 @@ static void
nouveau_sgdma_clear(struct ttm_backend *be)
{
struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
- struct drm_device *dev = nvbe->dev;
-
- NV_DEBUG(nvbe->dev, "\n");
+ struct drm_device *dev;
if (nvbe && nvbe->pages) {
+ dev = nvbe->dev;
+ NV_DEBUG(dev, "\n");
+
if (nvbe->bound)
be->func->unbind(be);
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