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D59913.diff
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diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c
--- a/sys/compat/linuxkpi/common/src/linux_pci.c
+++ b/sys/compat/linuxkpi/common/src/linux_pci.c
@@ -182,6 +182,8 @@
struct linux_dma_priv *priv;
priv = pdev->dev.dma_priv;
+ if (priv == NULL)
+ return (0);
if (priv->dmat)
bus_dma_tag_destroy(priv->dmat);
if (priv->dmat_coherent)
@@ -480,6 +482,7 @@
spin_lock_init(&pdev->dev.devres_lock);
INIT_LIST_HEAD(&pdev->dev.devres_head);
INIT_LIST_HEAD(&pdev->dev.irqents);
+ INIT_LIST_HEAD(&pdev->links);
return (0);
}
@@ -698,7 +701,7 @@
pdev->irq = pdev->dev.irq;
error = linux_pdev_dma_init(pdev);
if (error)
- goto out_dma_init;
+ goto out_err;
spin_lock(&pci_lock);
list_add(&pdev->links, &pci_devices);
@@ -713,7 +716,7 @@
pbus = lkpinew_pci_dev(parent);
if (pbus == NULL) {
error = ENXIO;
- goto out_dma_init;
+ goto out_err;
}
}
pcie_find_root_port(pbus);
@@ -728,19 +731,11 @@
if (pdrv != NULL) {
error = pdrv->probe(pdev, id);
if (error)
- goto out_probe;
+ goto out_err;
}
return (0);
-/* XXX the cleanup does not match the allocation up there. */
-out_probe:
- free(pdev->bus, M_DEVBUF);
- spin_lock_destroy(&pdev->pcie_cap_lock);
- linux_pdev_dma_uninit(pdev);
-out_dma_init:
- spin_lock(&pci_lock);
- list_del(&pdev->links);
- spin_unlock(&pci_lock);
+out_err:
put_device(&pdev->dev);
return (-error);
}
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D59913.diff (1 KB)
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D59913: linuxkpi: Fix double-cleanup in linux_pci_attach_device() error path
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