Commit 5087cc19 authored Jan 28, 2019 by Alban Bedel Committed by Greg Kroah-Hartman Jan 31, 2019

nvmem: core: Fix of_nvmem_cell_get() for optional cells



of_nvmem_cell_get() should return -ENOENT when a cell isn't defined,
otherwise callers can't distinguish between a missing cell and other
errors.

Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 1716cfe8

drivers/nvmem/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1031,7 +1031,7 @@ struct nvmem_cell of_nvmem_cell_get(struct device_node np, const char *id)

		cell_np = of_parse_phandle(np, "nvmem-cells", index);
		if (!cell_np)
		return ERR_PTR(-EINVAL);
		return ERR_PTR(-ENOENT);

		nvmem_np = of_get_next_parent(cell_np);
		if (!nvmem_np)