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| author | Shang XiaoJing <shangxiaojing@huawei.com> | 2022-12-08 04:33:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 13:30:28 +0300 |
| commit | 933cd25ce439b487ca69a3e8b564be1799f4b4a7 (patch) | |
| tree | 517bf7654ebf82393f55fd8b6268af9c92e80541 | |
| parent | a70fb5707d644ba71db7bfcddd516f0e31097531 (diff) | |
| download | linux-933cd25ce439b487ca69a3e8b564be1799f4b4a7.tar.xz | |
samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe()
[ Upstream commit d1f0f50fbbbbca1e3e8157e51934613bf88f6d44 ]
Add missing pci_disable_device() in fail path of mdpy_fb_probe().
Besides, fix missing release functions in mdpy_fb_remove().
Fixes: cacade1946a4 ("sample: vfio mdev display - guest driver")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Link: https://lore.kernel.org/r/20221208013341.3999-1-shangxiaojing@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | samples/vfio-mdev/mdpy-fb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/samples/vfio-mdev/mdpy-fb.c b/samples/vfio-mdev/mdpy-fb.c index a760e130bd0d..8ad1aa13ddd9 100644 --- a/samples/vfio-mdev/mdpy-fb.c +++ b/samples/vfio-mdev/mdpy-fb.c @@ -109,7 +109,7 @@ static int mdpy_fb_probe(struct pci_dev *pdev, 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_fb: err_release_regions: pci_release_regions(pdev); +err_disable_dev: + pci_disable_device(pdev); + return ret; } @@ -199,7 +202,10 @@ static void mdpy_fb_remove(struct pci_dev *pdev) 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[] = { |