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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2006-12-08 02:38:10 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:28:52 -0800
commit1187ece3db310cb1e7cd75083dc7253dbac39675 (patch)
tree39e38874d09fcddc41931804c12c58e124bc06d0 /drivers/char/mxser.c
parentae25f8ecdf65cd3e79e077dc0dba46416134d00c (diff)
[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>
Diffstat (limited to 'drivers/char/mxser.c')
-rw-r--r--drivers/char/mxser.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 4204746f1590..2dc49be144e6 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -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);
@@ -839,9 +840,9 @@ 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) {
+ if (pdev == NULL) {
b++;
continue;
}
@@ -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