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authorJason Gunthorpe <jgg@nvidia.com>2021-09-21 14:11:59 +0200
committerAlex Williamson <alex.williamson@redhat.com>2021-09-24 18:04:44 +0200
commit42de956ca7e5f6c47048dde640f797e783b23198 (patch)
tree71da11dcee8f94f38baf678d5f8591b1990e52bf /drivers/s390
parentvfio/pci: add missing identifier name in argument of function prototype (diff)
downloadlinux-42de956ca7e5f6c47048dde640f797e783b23198.tar.xz
linux-42de956ca7e5f6c47048dde640f797e783b23198.zip
vfio/ap_ops: Add missed vfio_uninit_group_dev()
Without this call an xarray entry is leaked when the vfio_ap device is unprobed. It was missed when the below patch was rebased across the dev_set patch. Keep the remove function in the same order as the error unwind in probe. Fixes: eb0feefd4c02 ("vfio/ap_ops: Convert to use vfio_register_group_dev()") Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Tony Krowiak <akrowiak@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Link: https://lore.kernel.org/r/0-v3-f9b50340cdbb+e4-ap_uninit_jgg@nvidia.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 118939a7729a..623d5269a52c 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -361,6 +361,7 @@ err_list:
mutex_lock(&matrix_dev->lock);
list_del(&matrix_mdev->node);
mutex_unlock(&matrix_dev->lock);
+ vfio_uninit_group_dev(&matrix_mdev->vdev);
kfree(matrix_mdev);
err_dec_available:
atomic_inc(&matrix_dev->available_instances);
@@ -376,9 +377,10 @@ static void vfio_ap_mdev_remove(struct mdev_device *mdev)
mutex_lock(&matrix_dev->lock);
vfio_ap_mdev_reset_queues(matrix_mdev);
list_del(&matrix_mdev->node);
+ mutex_unlock(&matrix_dev->lock);
+ vfio_uninit_group_dev(&matrix_mdev->vdev);
kfree(matrix_mdev);
atomic_inc(&matrix_dev->available_instances);
- mutex_unlock(&matrix_dev->lock);
}
static ssize_t name_show(struct mdev_type *mtype,