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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
commit94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch)
tree9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/vdpa/pds/vdpa_dev.c
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz
linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/vdpa/pds/vdpa_dev.c')
-rw-r--r--drivers/vdpa/pds/vdpa_dev.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/vdpa/pds/vdpa_dev.c b/drivers/vdpa/pds/vdpa_dev.c
index 25c0fe5ec3..301d95e085 100644
--- a/drivers/vdpa/pds/vdpa_dev.c
+++ b/drivers/vdpa/pds/vdpa_dev.c
@@ -426,12 +426,18 @@ err_release:
return err;
}
-static void pds_vdpa_release_irqs(struct pds_vdpa_device *pdsv)
+void pds_vdpa_release_irqs(struct pds_vdpa_device *pdsv)
{
- struct pci_dev *pdev = pdsv->vdpa_aux->padev->vf_pdev;
- struct pds_vdpa_aux *vdpa_aux = pdsv->vdpa_aux;
+ struct pds_vdpa_aux *vdpa_aux;
+ struct pci_dev *pdev;
int qid;
+ if (!pdsv)
+ return;
+
+ pdev = pdsv->vdpa_aux->padev->vf_pdev;
+ vdpa_aux = pdsv->vdpa_aux;
+
if (!vdpa_aux->nintrs)
return;
@@ -612,6 +618,7 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
struct device *dma_dev;
struct pci_dev *pdev;
struct device *dev;
+ u8 status;
int err;
int i;
@@ -638,6 +645,13 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
dma_dev = &pdev->dev;
pdsv->vdpa_dev.dma_dev = dma_dev;
+ status = pds_vdpa_get_status(&pdsv->vdpa_dev);
+ if (status == 0xff) {
+ dev_err(dev, "Broken PCI - status %#x\n", status);
+ err = -ENXIO;
+ goto err_unmap;
+ }
+
pdsv->supported_features = mgmt->supported_features;
if (add_config->mask & BIT_ULL(VDPA_ATTR_DEV_FEATURES)) {