[PATCH] mxser: PCI refcounts
Switch to pci ref counts for mxser when handling PCI devices. Use pci_get_device and drop the reference when we finish and unload. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Cc: <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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1 changed files with 6 additions and 2 deletions
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@ -515,6 +515,7 @@ static void __exit mxser_module_exit(void)
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if (pdev != NULL) { /* PCI */
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release_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
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release_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3));
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pci_dev_put(pdev);
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} else {
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release_region(mxsercfg[i].ioaddr[0], 8 * mxsercfg[i].ports);
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release_region(mxsercfg[i].vector, 1);
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@ -839,9 +840,9 @@ static int mxser_init(void)
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index = 0;
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b = 0;
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while (b < n) {
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pdev = pci_find_device(mxser_pcibrds[b].vendor,
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pdev = pci_get_device(mxser_pcibrds[b].vendor,
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mxser_pcibrds[b].device, pdev);
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if (pdev == NULL) {
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if (pdev == NULL) {
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b++;
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continue;
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}
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@ -893,6 +894,9 @@ static int mxser_init(void)
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if (mxser_initbrd(m, &hwconf) < 0)
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continue;
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m++;
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/* Keep an extra reference if we succeeded. It will
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be returned at unload time */
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pci_dev_get(pdev);
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}
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}
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#endif
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