[PATCH v2] drm/loongson: fix pci_dev refcount leak in lsdc_get_dedicated_vram()
From: yaolu
Date: Tue May 19 2026 - 21:47:52 EST
From: Lu Yao <yaolu@xxxxxxxxxx>
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 <yaolu@xxxxxxxxxx>
---
v1->v2: add fixes tag and parentheses to function names suggested by
Markus.
Link: https://lore.kernel.org/dri-devel/8ba844ab-9851-4045-a4e8-a96e6d1511e2@xxxxxx/#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