[PATCH v2 09/18] iio: afe: iio-rescale: Simplify with dev_err_probe()

Krzysztof Kozlowski
2020-08-27T19:28:27Z

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>

---

Changes since v1:
1. Wrap dev_err_probe() lines at 100 character
---
drivers/iio/afe/iio-rescale.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
index 69c0f277ada0..8cd9645c50e8 100644
--- a/drivers/iio/afe/iio-rescale.c
+++ b/drivers/iio/afe/iio-rescale.c
@@ -276,11 +276,8 @@ static int rescale_probe(struct platform_device *pdev)
int ret;

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

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