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Subject[PATCH 4.4 41/62] ALSA: ca0106: fix error code handling
Date
From: Tong Zhang <ztong0001@gmail.com>

commit ee0761d1d8222bcc5c86bf10849dc86cf008557c upstream.

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@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200824224541.1260307-1-ztong0001@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
sound/pci/ca0106/ca0106_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -551,7 +551,8 @@ static int snd_ca0106_pcm_power_dac(stru
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;
}

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