syscon: Avoid returning a device on failure
authorSimon Glass <sjg@chromium.org>
Sat, 12 Mar 2016 05:06:49 +0000 (22:06 -0700)
committerBin Meng <bmeng.cn@gmail.com>
Thu, 17 Mar 2016 02:27:24 +0000 (10:27 +0800)
commit532f2435cfe94e54e01ba68572daa853d7752afa
tree2ad2439fe2a930b8a9cf3b48967f4428b014ae41
parentd74d6b444c9f1596c24d492e57af9423efbd113b
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>
drivers/core/syscon-uclass.c