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

Krzysztof Kozlowski krzk at kernel.org
Thu Aug 27 15:26:42 EDT 2020


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 at 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




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