From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 657BA238171 for ; Tue, 16 Dec 2025 10:32:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765881131; cv=none; b=QX7oepX2E1eWBVeObmMP5aOTZCeQu7vp1feOAvJgB4wAGZFRQxwul/UKn5vvgGydWvcLKsDGElb+uOe37nywB//NhaBFLtiKJizKULQft4Ro1TskfbAy3TQbADMmCMfxczVPdwn9xZjkWZ4jwEXfmQSxMcF4OPFCELzJaHQiMZw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765881131; c=relaxed/simple; bh=Ch2mLfz0aBglea4gFZHcUri+wpiD7gYXG2CSA1jeayA=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=mT0pgKrnuxUiwBN7Lk0MReS7bKGJgI5P3nNjx5/8+cBpCTS5SJ46C88PyygxPJkhJFQ0hAuqCYaGazB6bs76B661K8rZOzLe8QmAZGMP3/tm/8b4DdM1PNAmGH2YT+OFXFWpz6wtp/FmOpYlnlK4LdIt82+AWHx5eJ6JwCVUCno= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ac7yigVY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ac7yigVY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94FD4C4CEF1; Tue, 16 Dec 2025 10:32:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765881131; bh=Ch2mLfz0aBglea4gFZHcUri+wpiD7gYXG2CSA1jeayA=; h=Subject:To:Cc:From:Date:From; b=ac7yigVYl1rkRg5xGcH1ZkLdXlqfPQIKYuRCpDfBQSZpodPVj51iy8a4889OVRcR+ q02b+R8nShaF49doE8WS3nd+4YLHoZedZgyABpZZBmDJQgjPDPMJ8JHxcjx/g1KMaa r4pmB9giDjMP3USF/nEq8N3eDVIxb+kaR5N1uE3s= Subject: FAILED: patch "[PATCH] ALSA: wavefront: Clear substream pointers on close" failed to apply to 6.12-stable tree To: moonafterrain@outlook.com,danisjiang@gmail.com,tiwai@suse.de Cc: From: Date: Tue, 16 Dec 2025 11:31:59 +0100 Message-ID: <2025121659-cornflake-fragrance-62b4@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x e11c5c13ce0ab2325d38fe63500be1dd88b81e38 # git commit -s git send-email --to '' --in-reply-to '2025121659-cornflake-fragrance-62b4@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From e11c5c13ce0ab2325d38fe63500be1dd88b81e38 Mon Sep 17 00:00:00 2001 From: Junrui Luo Date: Thu, 6 Nov 2025 10:24:57 +0800 Subject: [PATCH] ALSA: wavefront: Clear substream pointers on close Clear substream pointers in close functions to avoid leaving dangling pointers, helping to improve code safety and prevents potential issues. Reported-by: Yuhao Jiang Reported-by: Junrui Luo Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Junrui Luo Link: https://patch.msgid.link/SYBPR01MB7881DF762CAB45EE42F6D812AFC2A@SYBPR01MB7881.ausprd01.prod.outlook.com Signed-off-by: Takashi Iwai diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c index 1250ecba659a..69d87c4cafae 100644 --- a/sound/isa/wavefront/wavefront_midi.c +++ b/sound/isa/wavefront/wavefront_midi.c @@ -278,6 +278,7 @@ static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substrea return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_input[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_INPUT; return 0; @@ -300,6 +301,7 @@ static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substre return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_output[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_OUTPUT; return 0; }