From: Jiang Liu <jiang....@huawei.com>
Function pci_get_dev_by_id() will hold a reference count on the pci device
returned, so pci_dev_present() should release the corresponding reference
count to avoid memory leakage.
Signed-off-by: Jiang Liu <jiang....@huawei.com>
Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Signed-off-by: Yinghai Lu <ying...@kernel.org>
---
drivers/pci/search.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
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 @@ int pci_dev_present(const struct pci_device_id *ids)
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);
--
1.7.10.4
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