linux-kernel - [PATCH v2 3/4] iio: backend: make use of dev_err_cast

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Message-Id: <20240423-dev-add_dev_errp_probe-v2-3-12f43c5d8b0d@analog.com>
Date: Tue, 23 Apr 2024 17:20:32 +0200
From: Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@...nel.org>
To: Petr Mladek <pmladek@...e.com>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Chris Down <chris@...isdown.name>, John Ogness <john.ogness@...utronix.de>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Olivier Moysan <olivier.moysan@...s.st.com>, 
 Andi Shyti <andi.shyti@...nel.org>, Jyoti Bhayana <jbhayana@...gle.com>
Cc: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, 
 Nuno Sa <nuno.sa@...log.com>
Subject: [PATCH v2 3/4] iio: backend: make use of dev_err_cast_probe()

From: Nuno Sa <nuno.sa@...log.com>

Using dev_err_cast_probe() to simplify the code.

Signed-off-by: Nuno Sa <nuno.sa@...log.com>
---
 drivers/iio/industrialio-backend.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
index f08ed6d70ae5..2cc6459246ce 100644
--- a/drivers/iio/industrialio-backend.c
+++ b/drivers/iio/industrialio-backend.c
@@ -475,11 +475,9 @@ struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name)
 	}
 
 	fwnode = fwnode_find_reference(dev_fwnode(dev), "io-backends", index);
-	if (IS_ERR(fwnode)) {
-		dev_err_probe(dev, PTR_ERR(fwnode),
-			      "Cannot get Firmware reference\n");
-		return ERR_CAST(fwnode);
-	}
+	if (IS_ERR(fwnode))
+		return dev_err_cast_probe(dev, fwnode,
+					  "Cannot get Firmware reference\n");
 
 	guard(mutex)(&iio_back_lock);
 	list_for_each_entry(back, &iio_back_list, entry) {

-- 
2.44.0