[PATCH] drm/vc4: Fix refcount leak in vc4_hvs_bind

[Miaoqian Lin]

rpi_firmware_get() takes refcount, we should release it with
rpi_firmware_put(), add missing rpi_firmware_put() in the error path.

Fixes: 2a001ca00ad5 ("drm/vc4: hdmi: Rework hdmi_enable_4kp60 detection code")
Signed-off-by: Miaoqian Lin <linmq...@gmail.com>
---
 drivers/gpu/drm/vc4/vc4_hvs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index c4453a5ae163..816844ea60b1 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -809,6 +809,7 @@ static int vc4_hvs_bind(struct device *dev, struct device 
*master, void *data)
                hvs->core_clk = devm_clk_get(&pdev->dev, NULL);
                if (IS_ERR(hvs->core_clk)) {
                        dev_err(&pdev->dev, "Couldn't get core clock\n");
+                       rpi_firmware_put(firmware);
                        return PTR_ERR(hvs->core_clk);
                }
 
-- 
2.25.1