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vfio/platform: fix module_put call in error flow

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[ Upstream commit dc51ff91cf2d1e9a2d941da483602f71d4a51472 ]

The ->parent_module is the one that use in try_module_get. It should
also be the one the we use in module_put during vfio_platform_open().

Fixes: 32a2d71c4e80 ("vfio: platform: introduce vfio-platform-base module")
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Message-Id: <20210518192133.59195-1-mgurtovoy@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Max Gurtovoy 2021-05-18 22:21:31 +03:00 committed by Greg Kroah-Hartman
parent 2adb0313b1
commit 46ae882bb1
1 changed files with 1 additions and 1 deletions
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2
drivers/vfio/platform/vfio_platform_common.c
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@ -289,7 +289,7 @@ err_irq:
vfio_platform_regions_cleanup(vdev);
err_reg:
mutex_unlock(&driver_lock);
module_put(THIS_MODULE);
module_put(vdev->parent_module);
return ret;
}