Build error with 5.9.5 in sound/soc/sof/intel/hda-codec.c (was: [PATCH AUTOSEL 5.9 039/147] ASoC: SOF: fix a runtime pm issue in SOF when HDMI codec doesn't work)

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Lo! I just tried to compile 5.9.5 and ran into a build error with below patch. I only did a quick look (I have to leave the keyboard soon), but seems the patch quoted below that was added to 5.9.5 depends on 11ec0edc6408 (git.kernel.org/linus/11ec0edc6408) which wasn't backported.

The build error can be found here:
https://kojipkgs.fedoraproject.org//work/tasks/8246/54978246/build.log

Relevant part:

+ make -s 'HOSTCFLAGS=-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fcommon -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection' 'HOSTLDFLAGS=-Wl,-z,relro -Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld ' ARCH=x86_64 'KCFLAGS= ' WITH_GCOV=0 -j48 modules
sound/soc/sof/intel/hda-codec.c: In function 'hda_codec_probe':
sound/soc/sof/intel/hda-codec.c:177:4: error: label 'error' used but not defined
  177 |    goto error;
      |    ^~~~
make[4]: *** [scripts/Makefile.build:283: sound/soc/sof/intel/hda-codec.o] Error 1
make[3]: *** [scripts/Makefile.build:500: sound/soc/sof/intel] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [scripts/Makefile.build:500: sound/soc/sof] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:500: sound/soc] Error 2
make: *** [Makefile:1784: sound] Error 2
make: *** Waiting for unfinished jobs....
+ exit 1

Looks like the compiler is right from a quick look at
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/sound/soc/sof/intel/hda-codec.c?h=linux-5.9.y&id=43836fdc9e318a11233cf19c5ee7ffb04e8e5d8f

But as I said, I lack the time for a closer look.

Ciao, Thorsten

Am 27.10.20 um 00:47 schrieb Sasha Levin:
From: Rander Wang <rander.wang@xxxxxxxxx>

[ Upstream commit 6c63c954e1c52f1262f986f36d95f557c6f8fa94 ]

When hda_codec_probe() doesn't initialize audio component, we disable
the codec and keep going. However,the resources are not released. The
child_count of SOF device is increased in snd_hdac_ext_bus_device_init
but is not decrease in error case, so SOF can't get suspended.

snd_hdac_ext_bus_device_exit will be invoked in HDA framework if it
gets a error. Now copy this behavior to release resources and decrease
SOF device child_count to release SOF device.

Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200825235040.1586478-3-ranjani.sridharan@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
  sound/soc/sof/intel/hda-codec.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
index 2c5c451fa19d7..c475955c6eeba 100644
--- a/sound/soc/sof/intel/hda-codec.c
+++ b/sound/soc/sof/intel/hda-codec.c
@@ -151,7 +151,7 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
  		if (!hdev->bus->audio_component) {
  			dev_dbg(sdev->dev,
  				"iDisp hw present but no driver\n");
-			return -ENOENT;
+			goto error;
  		}
  		hda_priv->need_display_power = true;
  	}
@@ -174,7 +174,7 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
  		 * other return codes without modification
  		 */
  		if (ret == 0)
-			ret = -ENOENT;
+			goto error;
  	}
return ret;





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