From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/samples/vfio-mdev/mdpy-fb.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/kernel/samples/vfio-mdev/mdpy-fb.c b/kernel/samples/vfio-mdev/mdpy-fb.c
index 9ec93d9..4eb7aa1 100644
--- a/kernel/samples/vfio-mdev/mdpy-fb.c
+++ b/kernel/samples/vfio-mdev/mdpy-fb.c
@@ -109,7 +109,7 @@
ret = pci_request_regions(pdev, "mdpy-fb");
if (ret < 0)
- return ret;
+ goto err_disable_dev;
pci_read_config_dword(pdev, MDPY_FORMAT_OFFSET, &format);
pci_read_config_dword(pdev, MDPY_WIDTH_OFFSET, &width);
@@ -191,6 +191,9 @@
err_release_regions:
pci_release_regions(pdev);
+err_disable_dev:
+ pci_disable_device(pdev);
+
return ret;
}
@@ -199,7 +202,10 @@
struct fb_info *info = pci_get_drvdata(pdev);
unregister_framebuffer(info);
+ iounmap(info->screen_base);
framebuffer_release(info);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
}
static struct pci_device_id mdpy_fb_pci_table[] = {
--
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