linux-kernel - [PATCH 5/6] mfd: cs42l43: Handle error from devm_pm_runtime

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Message-ID: <20240124151222.1448570-5-ckeepax@opensource.cirrus.com>
Date: Wed, 24 Jan 2024 15:12:21 +0000
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: <lee@...nel.org>, <broonie@...nel.org>
CC: <alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
        <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>
Subject: [PATCH 5/6] mfd: cs42l43: Handle error from devm_pm_runtime_enable

As it devm_pm_runtime_enable can fail due to memory allocations, it is
best to handle the error.

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
 drivers/mfd/cs42l43.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/cs42l43.c b/drivers/mfd/cs42l43.c
index aea0f8f485785..56bd9dbbe10b0 100644
--- a/drivers/mfd/cs42l43.c
+++ b/drivers/mfd/cs42l43.c
@@ -1065,7 +1065,9 @@ int cs42l43_dev_probe(struct cs42l43 *cs42l43)
 	 * the boot work runs.
 	 */
 	pm_runtime_get_noresume(cs42l43->dev);
-	devm_pm_runtime_enable(cs42l43->dev);
+	ret = devm_pm_runtime_enable(cs42l43->dev);
+	if (ret)
+		return ret;
 
 	queue_work(system_long_wq, &cs42l43->boot_work);
 
-- 
2.30.2