[PATCH v2 18/18] iio: magnetometer: iio-mux: Simplify with dev_err_probe()

Krzysztof Kozlowski
2020-08-27T19:29:35Z

Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
drivers/iio/multiplexer/iio-mux.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c
index 6910218fdb00..d219d4a86657 100644
--- a/drivers/iio/multiplexer/iio-mux.c
+++ b/drivers/iio/multiplexer/iio-mux.c
@@ -354,11 +354,8 @@ static int mux_probe(struct platform_device *pdev)
return -ENODEV;

parent = devm_iio_channel_get(dev, "parent");
- if (IS_ERR(parent)) {
- if (PTR_ERR(parent) != -EPROBE_DEFER)
- dev_err(dev, "failed to get parent channel\n");
- return PTR_ERR(parent);
- }
+ if (IS_ERR(parent))
+ return dev_err_probe(dev, PTR_ERR(parent), "failed to get parent channel\n");

sizeof_ext_info = iio_get_channel_ext_info_count(parent);
if (sizeof_ext_info) {
--
2.17.1