vfio/mdpy: Fix memory leak of object mdev_state->vconfig
In the case where the call to vfio_register_group_dev fails the error
return path kfree's mdev_state but not mdev_state->vconfig. Fix this
by kfree'ing mdev_state->vconfig before returning.
Addresses-Coverity: ("Resource leak")
Fixes: 437e41368c
("vfio/mdpy: Convert to use vfio_register_group_dev()")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210622183710.28954-1-colin.king@canonical.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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@ -261,6 +261,7 @@ static int mdpy_probe(struct mdev_device *mdev)
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ret = vfio_register_group_dev(&mdev_state->vdev);
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if (ret) {
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kfree(mdev_state->vconfig);
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kfree(mdev_state);
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return ret;
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}
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