Patch "um: Fix hostaudio build errors" has been added to the 6.1-stable tree

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

    um: Fix hostaudio build errors

to the 6.1-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:
     um-fix-hostaudio-build-errors.patch
and it can be found in the queue-6.1 subdirectory.

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



commit 76782b2134c2c6d355ce9fef5faa0a4356496132
Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Date:   Tue Aug 1 22:15:00 2023 -0700

    um: Fix hostaudio build errors
    
    [ Upstream commit db4bfcba7bb8d10f00bba2a3da6b9a9c2a1d7b71 ]
    
    Use "select" to ensure that the required kconfig symbols are set
    as expected.
    Drop HOSTAUDIO since it is now equivalent to UML_SOUND.
    
    Set CONFIG_SOUND=m in ARCH=um defconfig files to maintain the
    status quo of the default configs.
    
    Allow SOUND with UML regardless of HAS_IOMEM. Otherwise there is a
    kconfig warning for unmet dependencies. (This was not an issue when
    SOUND was defined in arch/um/drivers/Kconfig. I have done 50 randconfig
    builds and didn't find any issues.)
    
    This fixes build errors when CONFIG_SOUND is not set:
    
    ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_cleanup_module':
    hostaudio_kern.c:(.exit.text+0xa): undefined reference to `unregister_sound_mixer'
    ld: hostaudio_kern.c:(.exit.text+0x15): undefined reference to `unregister_sound_dsp'
    ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_init_module':
    hostaudio_kern.c:(.init.text+0x19): undefined reference to `register_sound_dsp'
    ld: hostaudio_kern.c:(.init.text+0x31): undefined reference to `register_sound_mixer'
    ld: hostaudio_kern.c:(.init.text+0x49): undefined reference to `unregister_sound_dsp'
    
    and this kconfig warning:
    WARNING: unmet direct dependencies detected for SOUND
    
    Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
    Fixes: d886e87cb82b ("sound: make OSS sound core optional")
    Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
    Reported-by: kernel test robot <lkp@xxxxxxxxx>
    Closes: lore.kernel.org/r/202307141416.vxuRVpFv-lkp@xxxxxxxxx
    Cc: Richard Weinberger <richard@xxxxxx>
    Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
    Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
    Cc: linux-um@xxxxxxxxxxxxxxxxxxx
    Cc: Tejun Heo <tj@xxxxxxxxxx>
    Cc: Takashi Iwai <tiwai@xxxxxxx>
    Cc: Jaroslav Kysela <perex@xxxxxxxx>
    Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
    Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
    Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
    Cc: Nicolas Schier <nicolas@xxxxxxxxx>
    Cc: linux-kbuild@xxxxxxxxxxxxxxx
    Cc: alsa-devel@xxxxxxxxxxxxxxxx
    Reviewed-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
    Signed-off-by: Richard Weinberger <richard@xxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/um/configs/i386_defconfig b/arch/um/configs/i386_defconfig
index c0162286d68b7..c33a6880a437a 100644
--- a/arch/um/configs/i386_defconfig
+++ b/arch/um/configs/i386_defconfig
@@ -35,6 +35,7 @@ CONFIG_TTY_CHAN=y
 CONFIG_XTERM_CHAN=y
 CONFIG_CON_CHAN="pts"
 CONFIG_SSL_CHAN="pts"
+CONFIG_SOUND=m
 CONFIG_UML_SOUND=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
diff --git a/arch/um/configs/x86_64_defconfig b/arch/um/configs/x86_64_defconfig
index bec6e5d956873..df29f282b6ac2 100644
--- a/arch/um/configs/x86_64_defconfig
+++ b/arch/um/configs/x86_64_defconfig
@@ -33,6 +33,7 @@ CONFIG_TTY_CHAN=y
 CONFIG_XTERM_CHAN=y
 CONFIG_CON_CHAN="pts"
 CONFIG_SSL_CHAN="pts"
+CONFIG_SOUND=m
 CONFIG_UML_SOUND=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
diff --git a/arch/um/drivers/Kconfig b/arch/um/drivers/Kconfig
index 5903e2b598aae..fe0210eaf9bb6 100644
--- a/arch/um/drivers/Kconfig
+++ b/arch/um/drivers/Kconfig
@@ -111,24 +111,14 @@ config SSL_CHAN
 
 config UML_SOUND
 	tristate "Sound support"
+	depends on SOUND
+	select SOUND_OSS_CORE
 	help
 	  This option enables UML sound support.  If enabled, it will pull in
-	  soundcore and the UML hostaudio relay, which acts as a intermediary
+	  the UML hostaudio relay, which acts as a intermediary
 	  between the host's dsp and mixer devices and the UML sound system.
 	  It is safe to say 'Y' here.
 
-config SOUND
-	tristate
-	default UML_SOUND
-
-config SOUND_OSS_CORE
-	bool
-	default UML_SOUND
-
-config HOSTAUDIO
-	tristate
-	default UML_SOUND
-
 endmenu
 
 menu "UML Network Devices"
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index 65b449c992d2c..079556ec044b8 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -54,7 +54,7 @@ obj-$(CONFIG_UML_NET) += net.o
 obj-$(CONFIG_MCONSOLE) += mconsole.o
 obj-$(CONFIG_MMAPPER) += mmapper_kern.o 
 obj-$(CONFIG_BLK_DEV_UBD) += ubd.o 
-obj-$(CONFIG_HOSTAUDIO) += hostaudio.o
+obj-$(CONFIG_UML_SOUND) += hostaudio.o
 obj-$(CONFIG_NULL_CHAN) += null.o 
 obj-$(CONFIG_PORT_CHAN) += port.o
 obj-$(CONFIG_PTY_CHAN) += pty.o
diff --git a/sound/Kconfig b/sound/Kconfig
index e56d96d2b11ca..1903c35d799e1 100644
--- a/sound/Kconfig
+++ b/sound/Kconfig
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 menuconfig SOUND
 	tristate "Sound card support"
-	depends on HAS_IOMEM
+	depends on HAS_IOMEM || UML
 	help
 	  If you have a sound card in your computer, i.e. if it can say more
 	  than an occasional beep, say Y.



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