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 13D5A2F12BF for ; Tue, 16 Dec 2025 10:32:21 +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=1765881141; cv=none; b=O7FU13YFOLnuig735pMP2yJZS6iOfBWy2KrITQSsSV2mRb7oR6tLiXPp8OQNuQqrvDJRjAraXSM+AGvxzDmCyJIaaqOHoI459GYNBbn4nxzXV23tRxZ13fn0mHp9IdLyJZJ4ysyKrrDwtX0EBwckv0OszKgL4n0whUkJAlHgZMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765881141; c=relaxed/simple; bh=iNbbDqiHogw5UcnYl+c3xZLivvvYh12WHRowu/wyM90=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=CGbjUFd7I4gdhLSE/CytpacaPWMfB0rGikkKGUOJaMRVPZ2/dVE2P8p31afsfmOfW+2dOJMeDgqcf/6LKT4m2QgA+4lQl9ZeubaZASgdzdN/TBtyhrh15x76MxBI11Jf8GN/c8nKzAJVYodnOmN5YnfOYy8kXj3BAxcchoo7wig= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BwhK5rhz; 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="BwhK5rhz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 951FDC4CEFB; Tue, 16 Dec 2025 10:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765881140; bh=iNbbDqiHogw5UcnYl+c3xZLivvvYh12WHRowu/wyM90=; h=Subject:To:Cc:From:Date:From; b=BwhK5rhzvIRoWyhzmFFrtzJyVnqpCUXiKK521eHH1/7B+nNwBmBwMFxCa/oKoI59K 6F5QQPi7DRPiwpJg2V3Khs3XzRGfb/bZvou5OjP7NsGy+YC1hoKBlBrQ52FezDMX+x PHiVYu7tIuyO5idzxhzCodjVvvJZkTuUk1w5Xhiw= Subject: FAILED: patch "[PATCH] ALSA: wavefront: Clear substream pointers on close" failed to apply to 5.10-stable tree To: moonafterrain@outlook.com,danisjiang@gmail.com,tiwai@suse.de Cc: From: Date: Tue, 16 Dec 2025 11:32:01 +0100 Message-ID: <2025121601-suffrage-senate-99ab@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 5.10-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-5.10.y git checkout FETCH_HEAD git cherry-pick -x e11c5c13ce0ab2325d38fe63500be1dd88b81e38 # git commit -s git send-email --to '' --in-reply-to '2025121601-suffrage-senate-99ab@gregkh' --subject-prefix 'PATCH 5.10.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; }