[PATCH] drm/xe: Fix reference count leak in xe_pci_barrier_mmap()

[yaolu]

From: Lu Yao <yaolu@xxxxxxxxxx>

xe_pci_barrier_mmap() function called drm_dev_get() when setting up
the VMA, but never released. The vm_ops .open/.close callbacks
already handle reference counting correctly.

Fixes: 75d37750a753 ("drm/xe/mmap: Add mmap support for PCI memory barrier")
Signed-off-by: Lu Yao <yaolu@xxxxxxxxxx>
---
 drivers/gpu/drm/xe/xe_device.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index abe25aedeead..3b5a2fad697f 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -340,7 +340,6 @@ static int xe_pci_barrier_mmap(struct file *filp,
 	vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_IO);
 	vma->vm_ops = &vm_ops_barrier;
 	vma->vm_private_data = dev;
-	drm_dev_get(vma->vm_private_data);
 
 	return 0;
 }
-- 
2.25.1