Patch "ASoC: STI: Fix reader substream pointer set" has been added to the 4.9-stable tree

Patch "ASoC: STI: Fix reader substream pointer set" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ASoC: STI: Fix reader substream pointer set

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-sti-fix-reader-substream-pointer-set.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Dec 21 09:02:40 CET 2017
From: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Date: Thu, 23 Mar 2017 19:39:54 +0100
Subject: ASoC: STI: Fix reader substream pointer set

From: Arnaud Pouliquen <arnaud.pouliquen@st.com>


[ Upstream commit 3c9d3f1bc2defd418b5933bbc928096c9c686d3b ]

reader->substream is used in IRQ handler for error case but is never set.
Set value to pcm substream on DAI startup and clean it on dai shutdown.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/soc/sti/uniperif_reader.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/sound/soc/sti/uniperif_reader.c
+++ b/sound/soc/sti/uniperif_reader.c
@@ -364,6 +364,8 @@ static int uni_reader_startup(struct snd
 	struct uniperif *reader = priv->dai_data.uni;
 	int ret;
 
+	reader->substream = substream;
+
 	if (!UNIPERIF_TYPE_IS_TDM(reader))
 		return 0;
 
@@ -393,6 +395,7 @@ static void uni_reader_shutdown(struct s
 		/* Stop the reader */
 		uni_reader_stop(reader);
 	}
+	reader->substream = NULL;
 }
 
 static const struct snd_soc_dai_ops uni_reader_dai_ops = {


Patches currently in stable-queue which might be from arnaud.pouliquen@st.com are

queue-4.9/asoc-sti-fix-reader-substream-pointer-set.patch