Some fields that we're going to add cannot be just copied over to the
new state, and thus kmemdup is a bit unnecessary. Let's move to kzalloc
instead, and clean it up in the process.
Signed-off-by: Maxime Ripard <max...@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_kms.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index d6712924681e..3d0065df10f9 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -695,23 +695,25 @@ static int vc4_load_tracker_obj_init(struct vc4_dev *vc4)
static struct drm_private_state *
vc4_hvs_channels_duplicate_state(struct drm_private_obj *obj)
{
+ struct vc4_hvs_state *old_state = to_vc4_hvs_state(obj->state);
struct vc4_hvs_state *state;
- state = kmemdup(obj->state, sizeof(*state), GFP_KERNEL);
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state)
return NULL;
__drm_atomic_helper_private_obj_duplicate_state(obj, &state->base);
+ state->unassigned_channels = old_state->unassigned_channels;
+
return &state->base;
}
static void vc4_hvs_channels_destroy_state(struct drm_private_obj *obj,
struct drm_private_state *state)
{
- struct vc4_hvs_state *hvs_state;
+ struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state);
- hvs_state = to_vc4_hvs_state(state);
kfree(hvs_state);
}
--
2.28.0
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