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[PATCH] mxser: PCI refcounts

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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>
This commit is contained in:
Alan Cox 2006-12-08 02:38:10 -08:00 committed by Linus Torvalds
parent ae25f8ecdf
commit 1187ece3db
1 changed files with 6 additions and 2 deletions
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6
drivers/char/mxser.c
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@ -515,6 +515,7 @@ static void __exit mxser_module_exit(void)
if (pdev != NULL) { /* PCI */
release_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
release_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3));
pci_dev_put(pdev);
} else {
release_region(mxsercfg[i].ioaddr[0], 8 * mxsercfg[i].ports);
release_region(mxsercfg[i].vector, 1);
@ -839,7 +840,7 @@ static int mxser_init(void)
index = 0;
b = 0;
while (b < n) {
pdev = pci_find_device(mxser_pcibrds[b].vendor,
pdev = pci_get_device(mxser_pcibrds[b].vendor,
mxser_pcibrds[b].device, pdev);
if (pdev == NULL) {
b++;
@ -893,6 +894,9 @@ static int mxser_init(void)
if (mxser_initbrd(m, &hwconf) < 0)
continue;
m++;
/* Keep an extra reference if we succeeded. It will
be returned at unload time */
pci_dev_get(pdev);
}
}
#endif