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 <[email protected]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.18-rc6-mm1/drivers/char/mxser.c linux-2.6.18-rc6-mm1/drivers/char/mxser.c
--- linux.vanilla-2.6.18-rc6-mm1/drivers/char/mxser.c 2006-09-11 17:00:09.000000000 +0100
+++ linux-2.6.18-rc6-mm1/drivers/char/mxser.c 2006-09-14 16:14:52.000000000 +0100
@@ -538,6 +538,7 @@
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);
@@ -862,9 +865,9 @@
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) {
+ if (pdev == NULL) {
b++;
continue;
}
@@ -916,6 +919,9 @@
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
-
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