linux-kernel - [PATCH 5.15 33/76] ALSA: usb-audio: Correct the return code from snd_usb_endpoint_set

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Message-ID: <20240313164223.615640-34-sashal@kernel.org>
Date: Wed, 13 Mar 2024 12:41:40 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Takashi Iwai <tiwai@...e.de>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 33/76] ALSA: usb-audio: Correct the return code from snd_usb_endpoint_set_params()

From: Takashi Iwai <tiwai@...e.de>

[ Upstream commit 9355b60e401d825590d37f04ea873c58efe9b7bf ]

snd_usb_endpoint_set_params() should return zero for a success, but
currently it returns the sample rate.  Correct it.

Fixes: 2be79d586454 ("ALSA: usb-audio: Split endpoint setups for hw_params and prepare (take#2)")
Link: https://lore.kernel.org/r/20221009104212.18877-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Stable-dep-of: 7822baa844a8 ("ALSA: usb-audio: add quirk for RODE NT-USB+")
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/usb/endpoint.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 486ef6b022552..80ead3db4d1c7 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -1388,6 +1388,8 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip,
 	ep->curframesize = ep->curpacksize / ep->cur_frame_bytes;
 
 	err = update_clock_ref_rate(chip, ep);
+	if (err >= 0)
+		err = 0;
  unlock:
 	mutex_unlock(&chip->mutex);
 	return err;
-- 
2.43.0