When the commit 8661423eea1a
("ACPI / utils: Add new acpi_dev_present helper")
introduced new helper, it misses the fact that bus_find_device() takes
a reference on the found device and callers haven't release it back.
Drop the reference on the device in test for presence.
Fixes: 8661423eea1a ("ACPI / utils: Add new acpi_dev_present helper")
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/acpi/utils.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 78db97687f26..c4b06cc075f9 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -800,6 +800,7 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
match.hrv = hrv;
dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb);
+ put_device(dev);
return !!dev;
}
EXPORT_SYMBOL(acpi_dev_present);
--
2.20.1
