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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>
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@ -38,6 +38,7 @@ int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp)
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struct uclass *uc;
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int ret;
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*devp = NULL;
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ret = uclass_get(UCLASS_SYSCON, &uc);
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if (ret)
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return ret;
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