[PATCH 6.6 028/299] spi: cs42l43: Handle error from devm_pm_runtime_enable

Greg Kroah-Hartman
2024-02-27T13:47:45Z

From: Charles Keepax <ckeepax@opensource.cirrus.com>

[ Upstream commit f9f4b0c6425eb9ffd9bf62b8b8143e786b6ba695 ]

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@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240124174101.2270249-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/spi/spi-cs42l43.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c
index d239fc5a49ccc..c1556b6529092 100644
--- a/drivers/spi/spi-cs42l43.c
+++ b/drivers/spi/spi-cs42l43.c
@@ -244,7 +244,10 @@ static int cs42l43_spi_probe(struct platform_device *pdev)
priv->ctlr->use_gpio_descriptors = true;
priv->ctlr->auto_runtime_pm = true;

- devm_pm_runtime_enable(priv->dev);
+ ret = devm_pm_runtime_enable(priv->dev);
+ if (ret)
+ return ret;
+
pm_runtime_idle(priv->dev);

regmap_write(priv->regmap, CS42L43_TRAN_CONFIG6, CS42L43_FIFO_SIZE - 1);
--
2.43.0