linux-kernel - [PATCH] ALSA: ca0106: fix error code handling

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Date:   Mon, 24 Aug 2020 18:45:41 -0400
From:   Tong Zhang <ztong0001@...il.com>
To:     perex@...ex.cz, tiwai@...e.com, ztong0001@...il.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: ca0106: fix error code handling

snd_ca0106_spi_write() returns 1 on error, snd_ca0106_pcm_power_dac()
is returning the error code directly, and the caller is expecting an
negative error code

Signed-off-by: Tong Zhang <ztong0001@...il.com>
---
 sound/pci/ca0106/ca0106_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index 70d775ff967e..c189f70c82cb 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -537,7 +537,8 @@ static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id,
 		else
 			/* Power down */
 			chip->spi_dac_reg[reg] |= bit;
-		return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]);
+		if (snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]) != 0)
+			return -ENXIO;
 	}
 	return 0;
 }
-- 
2.25.1