The ext4 driver probes and reads the RTC which allocates memory. Ensure that the device is already probed and read once in dm_test_hook() to avoid false positives.
Signed-off-by: Heinrich Schuchardt <[email protected]> --- test/dm/host.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/test/dm/host.c b/test/dm/host.c index f577377da6a..32a9818248a 100644 --- a/test/dm/host.c +++ b/test/dm/host.c @@ -8,6 +8,7 @@ #include <dm.h> #include <fs.h> #include <os.h> +#include <rtc.h> #include <sandbox_host.h> #include <asm/test.h> #include <dm/device-internal.h> @@ -26,6 +27,18 @@ static int dm_test_host(struct unit_test_state *uts) ulong mem_start; loff_t actwrite; + /* + * Probing and first read from the RTC allocates memory. + * Do it before the measurement. + */ + if (CONFIG_IS_ENABLED(DM_RTC)) { + struct rtc_time tm; + + uclass_first_device(UCLASS_RTC, &dev); + if (dev) + dm_rtc_get(dev, &tm); + } + ut_asserteq(-ENODEV, uclass_first_device_err(UCLASS_HOST, &dev)); ut_asserteq(-ENODEV, uclass_first_device_err(UCLASS_PARTITION, &part)); -- 2.53.0

