From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DF76400982; Thu, 16 Jul 2026 14:23:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211796; cv=none; b=HMYEyKahImcFIYns+U3MFFn6CO1du34oGWPGIKGYNAtd4o18r0VytIpsos4ozK4BPPB2KvAMy0Efm4wqIiSCIE/za9PICB1tcD1pK5F2ZAyAA04dVBlc83XUEDblvDQd+FFh007oCjyqrSzsWIkDMOxesMWTfj6rlkrMhWwN8cs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784211796; c=relaxed/simple; bh=JF57TYeM7S4uf/sYo6CDl1v26zOcPuIU9cPUZaGRtbk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=I/E4Z4a0cnamXDPyPjugslFjqslQShDEcnc2wUcDe7xujFzQ8FKfyM68AsIHlHEzO1vArbLbtu3QJVDdzLp0vsDAClrVPfRbd7sSln++G26dysrJOuFmRzXDEP3gfWadxFP7GC5FXyB2jriOA4di8FYHyTBcNs7RO3NRZ5iYLmQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hFDtEqau; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="hFDtEqau" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2FBE1F000E9; Thu, 16 Jul 2026 14:23:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784211795; bh=qsQQtjKvaJWl/+uIWfQ5S3ttoya8HLoRBFHI9+gxTFQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hFDtEqauj3NYCfJ3P2UVUXQaqlrD0xQwLDMxhFPeKm+4cOdLDTeFqOe5xEoEg8/QB JyecFPY5FFB2ES4GZwXn9YFJB1Lx9riqxaRu6P3WlYw31BeQV7Gk3Z2BqcwwCcg2GZ 4oj9J9FHsl5fy6X92RZ3Dccjen+tvRN+fUz5ZkJU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?C=C3=A1ssio=20Gabriel?= , Takashi Iwai Subject: [PATCH 6.12 082/349] ALSA: usb-audio: Propagate errors in scarlett_ctl_enum_put() Date: Thu, 16 Jul 2026 15:30:16 +0200 Message-ID: <20260716133035.151145217@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260716133033.287196923@linuxfoundation.org> References: <20260716133033.287196923@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Cássio Gabriel commit 0f25cf1f02e3dba626791d949c759a48c0a44996 upstream. scarlett_ctl_enum_put() ignores the return value from snd_usb_set_cur_mix_value() and reports success whenever the requested enum value differs from the current one. If the SET_CUR request fails, the callback still returns success even though neither the hardware state nor the cached mixer value changed. Fixes: 76b188c4b370 ("ALSA: usb-audio: Scarlett mixer interface for 6i6, 18i6, 18i8 and 18i20") Cc: stable@vger.kernel.org Signed-off-by: Cássio Gabriel Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20260419-usb-write-error-propagation-v1-2-5a3bd4a673ae@gmail.com Signed-off-by: Greg Kroah-Hartman --- sound/usb/mixer_scarlett.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/sound/usb/mixer_scarlett.c +++ b/sound/usb/mixer_scarlett.c @@ -438,7 +438,9 @@ static int scarlett_ctl_enum_put(struct val = ucontrol->value.integer.value[0]; val = val + opt->start; if (val != oval) { - snd_usb_set_cur_mix_value(elem, 0, 0, val); + err = snd_usb_set_cur_mix_value(elem, 0, 0, val); + if (err < 0) + return err; return 1; } return 0;