From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 10 Aug 2012 09:22:58 +0000 (+0300)
Subject: ALSA: cs46xx - signedness bug in snd_cs46xx_codec_read()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=de64c0ee7dbcbfbbe63bd9ea45783d87babc6452;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ALSA: cs46xx - signedness bug in snd_cs46xx_codec_read()

This function returns its own error codes instead of normal negative
error codes.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index f75f5ffdfdfb..a71d1c14a0f6 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -94,7 +94,7 @@ static unsigned short snd_cs46xx_codec_read(struct snd_cs46xx *chip,
 
 	if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX &&
 		       codec_index != CS46XX_SECONDARY_CODEC_INDEX))
-		return -EINVAL;
+		return 0xffff;
 
 	chip->active_ctrl(chip, 1);