PCI: Fix reference count leak in pci_dev_present()
Function pci_get_dev_by_id() takes a reference on the pci_dev returned, so
pci_dev_present() should release the corresponding reference.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index bf969ba..d0627fa 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -319,13 +319,13 @@
WARN_ON(in_interrupt());
while (ids->vendor || ids->subvendor || ids->class_mask) {
found = pci_get_dev_by_id(ids, NULL);
- if (found)
- goto exit;
+ if (found) {
+ pci_dev_put(found);
+ return 1;
+ }
ids++;
}
-exit:
- if (found)
- return 1;
+
return 0;
}
EXPORT_SYMBOL(pci_dev_present);