From: Alex Williamson <alex.williamson@redhat.com> To: kvm@vger.kernel.org Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, dev@dpdk.org, mtosatti@redhat.com, thomas@monjalon.net, bluca@debian.org, jerinjacobk@gmail.com, bruce.richardson@intel.com, cohuck@redhat.com Subject: [RFC PATCH 7/7] vfio/pci: Cleanup .probe() exit paths Date: Tue, 04 Feb 2020 16:06:30 -0700 [thread overview] Message-ID: <158085759048.9445.13438665481986298873.stgit@gimli.home> (raw) In-Reply-To: <158085337582.9445.17682266437583505502.stgit@gimli.home> The cleanup is getting a tad long. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> --- drivers/vfio/pci/vfio_pci.c | 54 ++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 29 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 343fe38ed06b..72746f3a137a 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -1510,8 +1510,8 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { - vfio_iommu_group_put(group, &pdev->dev); - return -ENOMEM; + ret = -ENOMEM; + goto out_group_put; } vdev->pdev = pdev; @@ -1522,43 +1522,27 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&vdev->ioeventfds_list); ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev); - if (ret) { - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; - } + if (ret) + goto out_free; ret = vfio_pci_reflck_attach(vdev); - if (ret) { - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; - } + if (ret) + goto out_del_group_dev; if (pdev->sriov) { vdev->vf_token = kzalloc(sizeof(*vdev->vf_token), GFP_KERNEL); if (!vdev->vf_token) { - vfio_pci_reflck_put(vdev->reflck); - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return -ENOMEM; - } - - vdev->nb.notifier_call = vfio_pci_bus_notifier; - ret = bus_register_notifier(&pci_bus_type, &vdev->nb); - if (ret) { - kfree(vdev->vf_token); - vfio_pci_reflck_put(vdev->reflck); - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; + ret = -ENOMEM; + goto out_reflck; } mutex_init(&vdev->vf_token->lock); uuid_gen(&vdev->vf_token->uuid); + + vdev->nb.notifier_call = vfio_pci_bus_notifier; + ret = bus_register_notifier(&pci_bus_type, &vdev->nb); + if (ret) + goto out_vf_token; } if (vfio_pci_is_vga(pdev)) { @@ -1584,6 +1568,18 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) } return ret; + +out_vf_token: + kfree(vdev->vf_token); +out_reflck: + vfio_pci_reflck_put(vdev->reflck); +out_del_group_dev: + vfio_del_group_dev(&pdev->dev); +out_free: + kfree(vdev); +out_group_put: + vfio_iommu_group_put(group, &pdev->dev); + return ret; } static void vfio_pci_remove(struct pci_dev *pdev)
WARNING: multiple messages have this Message-ID (diff)
From: Alex Williamson <alex.williamson@redhat.com> To: kvm@vger.kernel.org Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, dev@dpdk.org, mtosatti@redhat.com, thomas@monjalon.net, bluca@debian.org, jerinjacobk@gmail.com, bruce.richardson@intel.com, cohuck@redhat.com Subject: [dpdk-dev] [RFC PATCH 7/7] vfio/pci: Cleanup .probe() exit paths Date: Tue, 04 Feb 2020 16:06:30 -0700 [thread overview] Message-ID: <158085759048.9445.13438665481986298873.stgit@gimli.home> (raw) In-Reply-To: <158085337582.9445.17682266437583505502.stgit@gimli.home> The cleanup is getting a tad long. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> --- drivers/vfio/pci/vfio_pci.c | 54 ++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 29 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 343fe38ed06b..72746f3a137a 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -1510,8 +1510,8 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { - vfio_iommu_group_put(group, &pdev->dev); - return -ENOMEM; + ret = -ENOMEM; + goto out_group_put; } vdev->pdev = pdev; @@ -1522,43 +1522,27 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&vdev->ioeventfds_list); ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev); - if (ret) { - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; - } + if (ret) + goto out_free; ret = vfio_pci_reflck_attach(vdev); - if (ret) { - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; - } + if (ret) + goto out_del_group_dev; if (pdev->sriov) { vdev->vf_token = kzalloc(sizeof(*vdev->vf_token), GFP_KERNEL); if (!vdev->vf_token) { - vfio_pci_reflck_put(vdev->reflck); - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return -ENOMEM; - } - - vdev->nb.notifier_call = vfio_pci_bus_notifier; - ret = bus_register_notifier(&pci_bus_type, &vdev->nb); - if (ret) { - kfree(vdev->vf_token); - vfio_pci_reflck_put(vdev->reflck); - vfio_del_group_dev(&pdev->dev); - vfio_iommu_group_put(group, &pdev->dev); - kfree(vdev); - return ret; + ret = -ENOMEM; + goto out_reflck; } mutex_init(&vdev->vf_token->lock); uuid_gen(&vdev->vf_token->uuid); + + vdev->nb.notifier_call = vfio_pci_bus_notifier; + ret = bus_register_notifier(&pci_bus_type, &vdev->nb); + if (ret) + goto out_vf_token; } if (vfio_pci_is_vga(pdev)) { @@ -1584,6 +1568,18 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) } return ret; + +out_vf_token: + kfree(vdev->vf_token); +out_reflck: + vfio_pci_reflck_put(vdev->reflck); +out_del_group_dev: + vfio_del_group_dev(&pdev->dev); +out_free: + kfree(vdev); +out_group_put: + vfio_iommu_group_put(group, &pdev->dev); + return ret; } static void vfio_pci_remove(struct pci_dev *pdev)
next prev parent reply other threads:[~2020-02-04 23:06 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-04 23:05 [RFC PATCH 0/7] vfio/pci: SR-IOV support Alex Williamson 2020-02-04 23:05 ` [dpdk-dev] " Alex Williamson 2020-02-04 23:05 ` [RFC PATCH 1/7] vfio: Include optional device match in vfio_device_ops callbacks Alex Williamson 2020-02-04 23:05 ` [dpdk-dev] " Alex Williamson 2020-02-06 11:14 ` Cornelia Huck 2020-02-06 11:14 ` [dpdk-dev] " Cornelia Huck 2020-02-06 18:18 ` Alex Williamson 2020-02-06 18:18 ` [dpdk-dev] " Alex Williamson 2020-02-07 9:33 ` Cornelia Huck 2020-02-07 9:33 ` [dpdk-dev] " Cornelia Huck 2020-02-04 23:05 ` [RFC PATCH 2/7] vfio/pci: Implement match ops Alex Williamson 2020-02-04 23:05 ` [dpdk-dev] " Alex Williamson 2020-02-04 23:06 ` [RFC PATCH 3/7] vfio/pci: Introduce VF token Alex Williamson 2020-02-04 23:06 ` [dpdk-dev] " Alex Williamson 2020-02-05 4:19 ` kbuild test robot 2020-02-05 7:57 ` Liu, Yi L 2020-02-05 7:57 ` [dpdk-dev] " Liu, Yi L 2020-02-05 14:13 ` Alex Williamson 2020-02-05 14:13 ` [dpdk-dev] " Alex Williamson 2020-02-04 23:06 ` [RFC PATCH 4/7] vfio: Introduce VFIO_DEVICE_FEATURE ioctl and first user Alex Williamson 2020-02-04 23:06 ` [dpdk-dev] " Alex Williamson 2020-02-04 23:06 ` [RFC PATCH 5/7] vfio/pci: Add sriov_configure support Alex Williamson 2020-02-04 23:06 ` [dpdk-dev] " Alex Williamson 2020-02-04 23:06 ` [RFC PATCH 6/7] vfio/pci: Remove dev_fmt definition Alex Williamson 2020-02-04 23:06 ` [dpdk-dev] " Alex Williamson 2020-02-06 13:45 ` Cornelia Huck 2020-02-06 13:45 ` [dpdk-dev] " Cornelia Huck 2020-02-04 23:06 ` Alex Williamson [this message] 2020-02-04 23:06 ` [dpdk-dev] [RFC PATCH 7/7] vfio/pci: Cleanup .probe() exit paths Alex Williamson 2020-02-04 23:17 ` [RFC PATCH 0/7] vfio/pci: SR-IOV support Alex Williamson 2020-02-04 23:17 ` [dpdk-dev] " Alex Williamson 2020-02-05 7:57 ` Liu, Yi L 2020-02-05 7:57 ` [dpdk-dev] " Liu, Yi L 2020-02-05 14:18 ` Alex Williamson 2020-02-05 14:18 ` [dpdk-dev] " Alex Williamson 2020-02-05 7:01 ` Christoph Hellwig 2020-02-05 7:01 ` [dpdk-dev] " Christoph Hellwig 2020-02-05 13:58 ` Alex Williamson 2020-02-05 13:58 ` [dpdk-dev] " Alex Williamson 2020-02-05 7:57 ` Liu, Yi L 2020-02-05 7:57 ` [dpdk-dev] " Liu, Yi L 2020-02-05 14:10 ` Alex Williamson 2020-02-05 14:10 ` [dpdk-dev] " Alex Williamson 2020-02-11 11:18 ` Jerin Jacob 2020-02-11 11:18 ` [dpdk-dev] " Jerin Jacob 2020-02-11 13:57 ` Thomas Monjalon 2020-02-11 17:06 ` Alex Williamson 2020-02-11 17:06 ` [dpdk-dev] " Alex Williamson 2020-02-11 18:03 ` Jerin Jacob 2020-02-11 18:03 ` [dpdk-dev] " Jerin Jacob
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