From patchwork Thu Oct 20 20:46:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej S. Szmigiero" X-Patchwork-Id: 616818 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B01A8C433FE for ; Thu, 20 Oct 2022 20:48:01 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id C6ED7BC36; Thu, 20 Oct 2022 22:47:09 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C6ED7BC36 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1666298879; bh=AfgEIhDpOW3pcd7gd5lT6nH2xXLv0gELraD5DauzCxg=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=VRUgL/OU0Xna520OE9iZShS8tTb7/+TDP0AhhscO6i3+0SamFpwYoU5eRN/qVbeF9 hD+Vqy8HCXksovw8ctXL/RaPtLF5EaU/TV4Q+Nv9nYtLBZbsjN/Gay5BjX+/r4R02q eAS3uCZr7PNiMrbgagdjsgb4agM6agAL3DcD/Ne8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 88CBCF80525; Thu, 20 Oct 2022 22:46:49 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3335DF80526; Thu, 20 Oct 2022 22:46:48 +0200 (CEST) Received: from vps-vb.mhejs.net (vps-vb.mhejs.net [37.28.154.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0AAFCF800B5 for ; Thu, 20 Oct 2022 22:46:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0AAFCF800B5 Received: from MUA by vps-vb.mhejs.net with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1olcR9-0007Ur-7p; Thu, 20 Oct 2022 22:46:43 +0200 From: "Maciej S. Szmigiero" To: Jaroslav Kysela , Takashi Iwai Subject: [PATCH 2/6] ALSA: usb-audio: Use snd_ctl_rename() to rename a control Date: Thu, 20 Oct 2022 22:46:22 +0200 Message-Id: <723877882e3a56bb42a2a2214cfc85f347d36e19.1666296963.git.maciej.szmigiero@oracle.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: "Maciej S. Szmigiero" With the recent addition of hashed controls lookup it's not enough to just update the control name field, the hash entries for the modified control have to be updated too. snd_ctl_rename() takes care of that, so use it instead of directly modifying the control name. Fixes: c27e1efb61c5 ("ALSA: control: Use xarray for faster lookups") Cc: stable@vger.kernel.org Signed-off-by: Maciej S. Szmigiero --- sound/usb/mixer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index a5641956ef102..9105ec623120a 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1631,7 +1631,7 @@ static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, if (!found) return; - strscpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); + snd_ctl_rename(card, kctl, "Headphone"); } static const struct usb_feature_control_info *get_feature_control_info(int control) From patchwork Thu Oct 20 20:46:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej S. Szmigiero" X-Patchwork-Id: 616817 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D28B2C433FE for ; Thu, 20 Oct 2022 20:48:26 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 12E12552E; Thu, 20 Oct 2022 22:47:35 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 12E12552E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1666298905; bh=blsS34RydDMpB0vkapKf9jWiD18rKQkKhpxI4HtK1oA=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=bn06R17US4R+LfNOImsJ+o/tHp2eqLEw4aS1WO28X8Du6vIR89uzW/u1bQ6Jmpg72 YMna4NVEgaY3nYVPk5qI9sA/yzRUowowVHSs48WFfgk+otXFXatSR41bEj0I9QxgGf rs5q8YWaBzkOyONJiM4LJ85hrKEq7yhenxU4HnF4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 98EF4F80551; Thu, 20 Oct 2022 22:46:58 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 42CEBF8054A; Thu, 20 Oct 2022 22:46:57 +0200 (CEST) Received: from vps-vb.mhejs.net (vps-vb.mhejs.net [37.28.154.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 234AAF8054A for ; Thu, 20 Oct 2022 22:46:55 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 234AAF8054A Received: from MUA by vps-vb.mhejs.net with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1olcRJ-0007VG-Ty; Thu, 20 Oct 2022 22:46:53 +0200 From: "Maciej S. Szmigiero" To: Jaroslav Kysela , Takashi Iwai Subject: [PATCH 4/6] ALSA: emu10k1: Use snd_ctl_rename() to rename a control Date: Thu, 20 Oct 2022 22:46:24 +0200 Message-Id: <38b19f019f95ee78a6e4e59d39afb9e2c3379413.1666296963.git.maciej.szmigiero@oracle.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: "Maciej S. Szmigiero" With the recent addition of hashed controls lookup it's not enough to just update the control name field, the hash entries for the modified control have to be updated too. snd_ctl_rename() takes care of that, so use it instead of directly modifying the control name. Fixes: c27e1efb61c5 ("ALSA: control: Use xarray for faster lookups") Cc: stable@vger.kernel.org Signed-off-by: Maciej S. Szmigiero --- sound/pci/emu10k1/emumixer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index e9c0fe3b84461..3c115f8ab96c0 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -1767,7 +1767,7 @@ static int rename_ctl(struct snd_card *card, const char *src, const char *dst) { struct snd_kcontrol *kctl = ctl_find(card, src); if (kctl) { - strcpy(kctl->id.name, dst); + snd_ctl_rename(card, kctl, dst); return 0; } return -ENOENT; From patchwork Thu Oct 20 20:46:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej S. Szmigiero" X-Patchwork-Id: 616816 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9AFA6C4332F for ; Thu, 20 Oct 2022 20:49:02 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id D0B089F83; Thu, 20 Oct 2022 22:48:10 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D0B089F83 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1666298940; bh=vBxmsO5sEn+khyzAErGQ8M7NK5BAEEaxyIejiOYtqqo=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=IHfQM4wGUmgqBLndDabAAkIWAB2Xi1z1IvlpagaQDkTyfHzFMqeECXytPF0JtW7QU NkwjRPKshurYwrcaiLYc2GpWy4rcs7ZpfjmKCkfkKUN+Ot4+RmtTvA8L1nL2e95weQ 5RHCewcEudXM/RTrS2jJjwMcgXFpt0H1W9ube8dw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8FFA8F8055C; Thu, 20 Oct 2022 22:47:10 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 76094F80564; Thu, 20 Oct 2022 22:47:09 +0200 (CEST) Received: from vps-vb.mhejs.net (vps-vb.mhejs.net [37.28.154.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3041BF8055C for ; Thu, 20 Oct 2022 22:47:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3041BF8055C Received: from MUA by vps-vb.mhejs.net with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1olcRU-0007Vc-JN; Thu, 20 Oct 2022 22:47:04 +0200 From: "Maciej S. Szmigiero" To: Jaroslav Kysela , Takashi Iwai Subject: [PATCH 6/6] ALSA: ac97: Use snd_ctl_rename() to rename a control Date: Thu, 20 Oct 2022 22:46:26 +0200 Message-Id: X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: "Maciej S. Szmigiero" With the recent addition of hashed controls lookup it's not enough to just update the control name field, the hash entries for the modified control have to be updated too. snd_ctl_rename() takes care of that, so use it instead of directly modifying the control name. While we are at it, check also that the new control name doesn't accidentally overwrite the available buffer space. Fixes: c27e1efb61c5 ("ALSA: control: Use xarray for faster lookups") Cc: stable@vger.kernel.org Signed-off-by: Maciej S. Szmigiero --- sound/pci/ac97/ac97_codec.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index ceead55f13ab1..ff685321f1a11 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -2656,11 +2656,18 @@ EXPORT_SYMBOL(snd_ac97_resume); */ static void set_ctl_name(char *dst, const char *src, const char *suffix) { - if (suffix) - sprintf(dst, "%s %s", src, suffix); - else - strcpy(dst, src); -} + const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; + + if (suffix) { + if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) + pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", + src, suffix, dst); + } else { + if (strscpy(dst, src, msize) < 0) + pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", + src, dst); + } +} /* remove the control with the given name and optional suffix */ static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, @@ -2687,8 +2694,11 @@ static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) { struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + if (kctl) { - set_ctl_name(kctl->id.name, dst, suffix); + set_ctl_name(name, dst, suffix); + snd_ctl_rename(ac97->bus->card, kctl, name); return 0; } return -ENOENT; @@ -2707,11 +2717,17 @@ static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) { struct snd_kcontrol *kctl1, *kctl2; + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + kctl1 = ctl_find(ac97, s1, suffix); kctl2 = ctl_find(ac97, s2, suffix); if (kctl1 && kctl2) { - set_ctl_name(kctl1->id.name, s2, suffix); - set_ctl_name(kctl2->id.name, s1, suffix); + set_ctl_name(name, s2, suffix); + snd_ctl_rename(ac97->bus->card, kctl1, name); + + set_ctl_name(name, s1, suffix); + snd_ctl_rename(ac97->bus->card, kctl2, name); + return 0; } return -ENOENT;