If a NULL value is possible, the dereference should only occur after the
NULL test.
Signed-off-by: Darren Jenkins <darrenrjenk...@gmail.com>
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c
b/drivers/gpu/drm/radeon/radeon_irq.c
index b79ecc4..2f349a3 100644
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -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))) {
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