nvmem: core: fix error handling while validating keepout regions

nvmem: core: fix error handling while validating keepout regions

Current error path on failure of validating keepout regions is calling
put_device, eventhough the device is not even registered at that point.

Fix this by adding proper error handling of freeing ida and nvmem.

Fixes: fd3bb8f54a88 ("nvmem: core: Add support for keepout regions")
Cc: <stable@vger.kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210806085947.22682-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>