From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C0FB606A329 for ; Wed, 4 Nov 2026 17:29:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=CI8kgNh3; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Z7eNSc/k DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; 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Wed, 4 Nov 2026 17:29:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793813360; bh=Cbujoj2vf5W42joV5o7W0AvKkij9cCOpaGGghku9+G8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=Z7eNSc/k4A3ciQiMKYVuHgvIuitZuUBG1LsDDKn2PGqkyeTI60C2aGeIX/gOrwywh xtfTPVHdVi6oqn1gTkn9QtwCdpb9vO92jUAd8quwbbgGzLCmHr2yCQVt+CNwsUokAf 3PdNxsqj0EooTVaHTwU9Byq22F9nTmWr9AhaMKmjfOIuszcJH2mYIrP4Rr4AnPpZkH h+7C63tA9sMWXTQV0Do399ArkxTfLMrSAloe1ryjs6twcaS2ODw+QTAKVaUx5fGvQN pG82LTMb3cdXiyyhejWUAX1q+C1HwuXnFf38S34Yh0i88ZGrZX053f2X4mX3pSqwVw kTy4TQ+sMGDOw== From: Christian Brauner Date: Wed, 04 Nov 2026 18:27:20 +0100 Subject: [PATCH v2 03/51] ALSA: cs46xx: hand the region to the region proc files X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261104-work-procfs-bugfixes-v2-3-bbf7d5546809@kernel.org> References: <20261104-work-procfs-bugfixes-v2-0-bbf7d5546809@kernel.org> In-Reply-To: <20261104-work-procfs-bugfixes-v2-0-bbf7d5546809@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , Jann Horn , Josef Bacik , Chris Mason , Jeff Layton , NeilBrown , Eric Dumazet , Thomas Gleixner , Al Viro , Jonathan Corbet , Christoph Hellwig , Greg Kroah-Hartman , Joel Granados , Kees Cook , Jan Kara , Jan Kara , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-um@lists.infradead.org, linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, ntfs3@lists.linux.dev, platform-driver-x86@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-sound@vger.kernel.org, netfilter-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, ibm-acpi-devel@lists.sourceforge.net, jfs-discussion@lists.sourceforge.net, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, sparclinux@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-doc@vger.kernel.org, linux-serial@vger.kernel.org, linux-atm-general@lists.sourceforge.net, Takashi Iwai , linux-input@vger.kernel.org, linux-raid@vger.kernel.org, linux-ext4@vger.kernel.org, linux-modules@vger.kernel.org, linux-debuggers@vger.kernel.org, "Christian Brauner (Amutable)" , Chuck Lever , stable@vger.kernel.org X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1215; i=brauner@kernel.org; h=from:subject:message-id; bh=Z6ZRkJrhuCU4H5MdQ4cObdjJffW/paOotMbfYVXoKlo=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWS9zvpj7yWamixwZtfSkBurLcoYw1rMGKfuu3YuiV09R c7uw2HtjlIWBjEuBlkxRRaHdpNwueU8FZuNMjVg5rAygQxh4OIUgImc3c3wT+Hkjp3MZso6HVei D0VKbZS5oKGx7I6p6Yuo7iatL+17dRkZfi8SqbU+57c5383JSH9+xYYuliMbRHb8cOA9JBYQHeL GDQA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 snd_cs46xx_proc_init() stores the chip in the private data of the five region entries, but snd_cs46xx_io_read() reads that back as the region, so a read of /proc/asound/cardN/CS46xx_BA0 and friends copies from whatever sits at the region's offset in struct snd_cs46xx instead of the mapped registers. Store the region. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Christian Brauner (Amutable) --- sound/pci/cs46xx/cs46xx_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index 797a5f09cade..efc7df444cb5 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -2764,7 +2764,7 @@ static int snd_cs46xx_proc_init(struct snd_card *card, struct snd_cs46xx *chip) struct snd_cs46xx_region *region = &chip->region.idx[idx]; if (! snd_card_proc_new(card, region->name, &entry)) { entry->content = SNDRV_INFO_CONTENT_DATA; - entry->private_data = chip; + entry->private_data = region; entry->c.ops = &snd_cs46xx_proc_io_ops; entry->size = region->size; entry->mode = S_IFREG | 0400; -- 2.53.0