From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 24 Apr 2012 06:07:38 +0000 (+0200)
Subject: ALSA: usb-audio: Add missing error checks in snd_ebox44_create_mixer()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=baba2e0d2bf5d68e4ec0d8a4d700724ef866249f;p=linux-beck.git

ALSA: usb-audio: Add missing error checks in snd_ebox44_create_mixer()

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index b44df6e5109b..12125ca7167f 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -935,26 +935,46 @@ static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
 
 static int snd_ebox44_create_mixer(struct usb_mixer_interface *mixer)
 {
-	snd_create_std_mono_ctl(mixer, 4, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+	int err;
+
+	err = snd_create_std_mono_ctl(mixer, 4, 1, 0x0, USB_MIXER_INV_BOOLEAN,
 				"Headphone Playback Switch", NULL);
-	snd_create_std_mono_ctl(mixer, 4, 2, 0x1, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 4, 2, 0x1, USB_MIXER_S16,
 				"Headphone A Mix Playback Volume", NULL);
-	snd_create_std_mono_ctl(mixer, 4, 2, 0x2, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 4, 2, 0x2, USB_MIXER_S16,
 				"Headphone B Mix Playback Volume", NULL);
+	if (err < 0)
+		return err;
 
-	snd_create_std_mono_ctl(mixer, 7, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+	err = snd_create_std_mono_ctl(mixer, 7, 1, 0x0, USB_MIXER_INV_BOOLEAN,
 				"Output Playback Switch", NULL);
-	snd_create_std_mono_ctl(mixer, 7, 2, 0x1, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 7, 2, 0x1, USB_MIXER_S16,
 				"Output A Playback Volume", NULL);
-	snd_create_std_mono_ctl(mixer, 7, 2, 0x2, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 7, 2, 0x2, USB_MIXER_S16,
 				"Output B Playback Volume", NULL);
+	if (err < 0)
+		return err;
 
-	snd_create_std_mono_ctl(mixer, 10, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+	err = snd_create_std_mono_ctl(mixer, 10, 1, 0x0, USB_MIXER_INV_BOOLEAN,
 				"Input Capture Switch", NULL);
-	snd_create_std_mono_ctl(mixer, 10, 2, 0x1, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 10, 2, 0x1, USB_MIXER_S16,
 				"Input A Capture Volume", NULL);
-	snd_create_std_mono_ctl(mixer, 10, 2, 0x2, USB_MIXER_S16,
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 10, 2, 0x2, USB_MIXER_S16,
 				"Input B Capture Volume", NULL);
+	if (err < 0)
+		return err;
 
 	return 0;
 }