Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f10bb2544bab75b3e8df15a7b51a833c78cbd77f
Commit: f10bb2544bab75b3e8df15a7b51a833c78cbd77f
Parent: 9185cfa92507d07ac787bc73d06c42222eec7239
Author: Akinobu Mita <[EMAIL PROTECTED]>
AuthorDate: Tue Dec 19 12:56:09 2006 -0800
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Wed Dec 20 00:30:48 2006 -0500
ACPI: fix single linked list manipulation
Fix single linked list manipulation for sub_driver. If the remving entry
is not on the head of the sub_driver list, it goes into infinate loop.
Though that infinite loop doesn't happen. Because the only user of
acpi_pci_register_dirver() is acpiphp.
Signed-off-by: Akinobu Mita <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/acpi/pci_root.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 0984a1e..c92c144 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -98,11 +98,12 @@ void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver)
struct acpi_pci_driver **pptr = &sub_driver;
while (*pptr) {
- if (*pptr != driver)
- continue;
- *pptr = (*pptr)->next;
- break;
+ if (*pptr == driver)
+ break;
+ pptr = &(*pptr)->next;
}
+ BUG_ON(!*pptr);
+ *pptr = (*pptr)->next;
if (!driver->remove)
return;
-
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