linux-kernel - [PATCH 5/5] ALSA: hda: hda_cs_dsp_ctl: Remove notification of driver write

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240325113127.112783-6-rf@opensource.cirrus.com>
Date: Mon, 25 Mar 2024 11:31:27 +0000
From: Richard Fitzgerald <rf@...nsource.cirrus.com>
To: <broonie@...nel.org>, <tiwai@...e.com>
CC: <linux-sound@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <patches@...nsource.cirrus.com>,
        "Simon
 Trimmer" <simont@...nsource.cirrus.com>,
        Richard Fitzgerald
	<rf@...nsource.cirrus.com>
Subject: [PATCH 5/5] ALSA: hda: hda_cs_dsp_ctl: Remove notification of driver write

From: Simon Trimmer <simont@...nsource.cirrus.com>

Any control that the driver is updating should be marked as SYSTEM and
therefore will not have an ALSA control to notify.

Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
 sound/pci/hda/hda_cs_dsp_ctl.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/sound/pci/hda/hda_cs_dsp_ctl.c b/sound/pci/hda/hda_cs_dsp_ctl.c
index 725544d81941..7f2d35cf245b 100644
--- a/sound/pci/hda/hda_cs_dsp_ctl.c
+++ b/sound/pci/hda/hda_cs_dsp_ctl.c
@@ -201,7 +201,6 @@ int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type,
 			 unsigned int alg, const void *buf, size_t len)
 {
 	struct cs_dsp_coeff_ctl *cs_ctl;
-	struct hda_cs_dsp_coeff_ctl *ctl;
 	int ret;
 
 	mutex_lock(&dsp->pwr_lock);
@@ -211,13 +210,6 @@ int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type,
 	if (ret < 0)
 		return ret;
 
-	if (ret == 0 || (cs_ctl->flags & WMFW_CTL_FLAG_SYS))
-		return 0;
-
-	ctl = cs_ctl->priv;
-
-	snd_ctl_notify(ctl->card, SNDRV_CTL_EVENT_MASK_VALUE, &ctl->kctl->id);
-
 	return 0;
 }
 EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_write_ctl, SND_HDA_CS_DSP_CONTROLS);
-- 
2.39.2