[PATCH v2] drm/loongson: fix pci_dev refcount leak in lsdc_get_dedicated_vram()

[yaolu]

From: Lu Yao <ya...@kylinos.cn>

Need to call pci_dev_put() after pci_get_domain_bus_and_slot().

Fixes: f39db26c5428 ("drm: Add kms driver for loongson display controller")
Signed-off-by: Lu Yao <ya...@kylinos.cn>
---
v1->v2: add fixes tag and parentheses to function names suggested by
Markus.
  Link: 
https://lore.kernel.org/dri-devel/8ba844ab-9851-4045-a4e8-a96e6d151...@web.de/#R

 drivers/gpu/drm/loongson/lsdc_drv.c | 1 +
 1 file changed, 1 insertion(+)


diff --git a/drivers/gpu/drm/loongson/lsdc_drv.c 
b/drivers/gpu/drm/loongson/lsdc_drv.c
index 34405073c4d4..6cd21480c979 100644
--- a/drivers/gpu/drm/loongson/lsdc_drv.c
+++ b/drivers/gpu/drm/loongson/lsdc_drv.c
@@ -183,6 +183,7 @@ static int lsdc_get_dedicated_vram(struct lsdc_device *ldev,
        ldev->vram_size = size;
        ldev->gpu = pdev_gpu;
 
+       pci_dev_put(pdev_gpu);
        drm_info(ddev, "Dedicated vram start: 0x%llx, size: %uMiB\n",
                 (u64)base, (u32)(size >> 20));
 
-- 
2.25.1