From 532f2435cfe94e54e01ba68572daa853d7752afa Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 11 Mar 2016 22:06:49 -0700 Subject: syscon: Avoid returning a device on failure If the device cannot be probed, syscon_get_by_driver_data() will still return a useful value in its devp parameter. Ensure that it returns NULL instead. Signed-off-by: Simon Glass Reviewed-by: Bin Meng --- drivers/core/syscon-uclass.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/core') diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c index a0666d0bac..e03f46af57 100644 --- a/drivers/core/syscon-uclass.c +++ b/drivers/core/syscon-uclass.c @@ -38,6 +38,7 @@ int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp) struct uclass *uc; int ret; + *devp = NULL; ret = uclass_get(UCLASS_SYSCON, &uc); if (ret) return ret; -- cgit v1.2.1