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gpu/drm/radeon/radeon_irq.c: move a dereference below a NULL test 

If a NULL value is possible, the dereference should only occur after the
NULL test.

Coverity CID: 13338

Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Darren Jenkins 2009-12-30 12:16:35 +11:00 committed by Dave Airlie
parent 875c186620
commit 65aa2f4e8d
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/radeon/radeon_irq.c
View File

@ -289,16 +289,16 @@ int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_pr
drm_radeon_irq_emit_t *emit = data;
int result;
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
return -EINVAL;
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
return -EINVAL;
LOCK_TEST_WITH_RETURN(dev, file_priv);
result = radeon_emit_irq(dev);
if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) {