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authorSimon Glass <sjg@chromium.org>2016-03-11 22:06:49 -0700
committerBin Meng <bmeng.cn@gmail.com>2016-03-17 10:27:24 +0800
commit532f2435cfe94e54e01ba68572daa853d7752afa (patch)
tree2ad2439fe2a930b8a9cf3b48967f4428b014ae41 /drivers/core
parentd74d6b444c9f1596c24d492e57af9423efbd113b (diff)
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 <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/core')
-rw-r--r--drivers/core/syscon-uclass.c1
1 files changed, 1 insertions, 0 deletions
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;