[PATCH 3/3] ALSA: hda: cs35l41: Use auto-cleanup for put_device()

[Takashi Iwai]

A temporary refcount management of a struct device can be done
gracefully with __clean(put_device) for avoiding potential leaks.

No functional change but just a code cleanup.

Cc: patches@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
 sound/hda/codecs/side-codecs/cs35l41_hda.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/sound/hda/codecs/side-codecs/cs35l41_hda.c b/sound/hda/codecs/side-codecs/cs35l41_hda.c
index c8eba0638ada..62296be45c55 100644
--- a/sound/hda/codecs/side-codecs/cs35l41_hda.c
+++ b/sound/hda/codecs/side-codecs/cs35l41_hda.c
@@ -1915,7 +1915,6 @@ int cs35l41_hda_parse_acpi(struct cs35l41_hda *cs35l41, struct device *physdev,
 static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, int id)
 {
 	struct acpi_device *adev;
-	struct device *physdev;
 	struct spi_device *spi;
 	const char *sub;
 	int ret;
@@ -1927,7 +1926,8 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i
 	}
 
 	cs35l41->dacpi = adev;
-	physdev = get_device(acpi_get_first_physical_node(adev));
+	struct device *physdev __free(put_device) =
+		get_device(acpi_get_first_physical_node(adev));
 	if (!physdev) {
 		acpi_dev_put(adev);
 		return -ENODEV;
@@ -1945,13 +1945,9 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i
 	}
 
 	ret = cs35l41_hda_parse_acpi(cs35l41, physdev, id);
-	if (ret) {
-		put_device(physdev);
+	if (ret)
 		return ret;
-	}
 out:
-	put_device(physdev);
-
 	cs35l41->bypass_fw = false;
 	if (cs35l41->control_bus == SPI) {
 		spi = to_spi_device(cs35l41->dev);
-- 
2.55.0