In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs. It's more simple in error path.
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/iio/multiplexer/iio-mux.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c
index 93558fddfa9b..edd8c69f6d2e 100644
--- a/drivers/iio/multiplexer/iio-mux.c
+++ b/drivers/iio/multiplexer/iio-mux.c
@@ -416,11 +416,9 @@ static int mux_probe(struct platform_device *pdev)
}
mux->control = devm_mux_control_get(dev, NULL);
- if (IS_ERR(mux->control)) {
- if (PTR_ERR(mux->control) != -EPROBE_DEFER)
- dev_err(dev, "failed to get control-mux\n");
- return PTR_ERR(mux->control);
- }
+ if (IS_ERR(mux->control))
+ return dev_err_probe(dev, PTR_ERR(mux->control),
+ "failed to get control-mux\n");
i = 0;
for (state = 0; state < all_children; state++) {
--
2.25.1
