[UTC][device][Non ACR][Fix usb-host ref/unref TCs]

usb-host-native-utc causes heap-use-after-free on TM1
TZ_BUILD_PROJECT=SAN:Tizen:5.5:Unified:ASAN
TZ_BUILD_ID=san-tizen-5.5-unified-asan_20190805.2
=================================================================

==usb-host-native-utc==18542==ERROR: AddressSanitizer: heap-use-after-free on address 0xb03c1b64 at pc 0xb6884ed7 bp 0xbeafadfc sp 0xbeafadf4
READ of size 4 at 0xb03c1b64 thread T0

Change-Id: Ie4d22cff031a173b145d85df07f75c56fb3b5f9c
Signed-off-by: Hyotaek Shim <hyotaek.shim@samsung.com>

diff --git a/src/utc/usb-host/utc-usb-host.c b/src/utc/usb-host/utc-usb-host.c
index ed3f3fd5cd8a03e592901b49938d64a22311313d..3fde67918481e97d38392cb219d5e0208094c44d 100755 (executable)
--- a/src/utc/usb-host/utc-usb-host.c
+++ b/src/utc/usb-host/utc-usb-host.c
@@ -366,6 +366,9 @@ int utc_usb_host_ref_device_p(void)
        ret = usb_host_ref_device(dev);
        assert_eq_supp(ret, USB_HOST_ERROR_NONE);
 
+       ret = usb_host_unref_device(dev);
+       assert_eq_supp(ret, USB_HOST_ERROR_NONE);
+
        return 0;
 }
 
@@ -397,6 +400,9 @@ int utc_usb_host_unref_device_p(void)
 {
        int ret;
 
+       ret = usb_host_ref_device(dev);
+       assert_eq_supp(ret, USB_HOST_ERROR_NONE);
+
        ret = usb_host_unref_device(dev);
        assert_eq_supp(ret, USB_HOST_ERROR_NONE);