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path: root/drivers/vfio/pci/vfio_pci.c
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Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
-rw-r--r--drivers/vfio/pci/vfio_pci.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 010e0f8b8e4f..e2ee80f36e3e 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -157,8 +157,10 @@ static void vfio_pci_release(void *device_data)
157{ 157{
158 struct vfio_pci_device *vdev = device_data; 158 struct vfio_pci_device *vdev = device_data;
159 159
160 if (atomic_dec_and_test(&vdev->refcnt)) 160 if (atomic_dec_and_test(&vdev->refcnt)) {
161 vfio_spapr_pci_eeh_release(vdev->pdev);
161 vfio_pci_disable(vdev); 162 vfio_pci_disable(vdev);
163 }
162 164
163 module_put(THIS_MODULE); 165 module_put(THIS_MODULE);
164} 166}
@@ -166,19 +168,27 @@ static void vfio_pci_release(void *device_data)
166static int vfio_pci_open(void *device_data) 168static int vfio_pci_open(void *device_data)
167{ 169{
168 struct vfio_pci_device *vdev = device_data; 170 struct vfio_pci_device *vdev = device_data;
171 int ret;
169 172
170 if (!try_module_get(THIS_MODULE)) 173 if (!try_module_get(THIS_MODULE))
171 return -ENODEV; 174 return -ENODEV;
172 175
173 if (atomic_inc_return(&vdev->refcnt) == 1) { 176 if (atomic_inc_return(&vdev->refcnt) == 1) {
174 int ret = vfio_pci_enable(vdev); 177 ret = vfio_pci_enable(vdev);
178 if (ret)
179 goto error;
180
181 ret = vfio_spapr_pci_eeh_open(vdev->pdev);
175 if (ret) { 182 if (ret) {
176 module_put(THIS_MODULE); 183 vfio_pci_disable(vdev);
177 return ret; 184 goto error;
178 } 185 }
179 } 186 }
180 187
181 return 0; 188 return 0;
189error:
190 module_put(THIS_MODULE);
191 return ret;
182} 192}
183 193
184static int vfio_pci_get_irq_count(struct vfio_pci_device *vdev, int irq_type) 194static int vfio_pci_get_irq_count(struct vfio_pci_device *vdev, int irq_type)