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-rw-r--r--drivers/acpi/pci_root.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 0984a1ee24ed..c92c144d6c58 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;