From c68af64fe56369768b499aa5d82b3acd8fe49f9e Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Wed, 10 Mar 2021 00:03:12 +0300
Subject: [PATCH] engine: platform: fix access to uninitialized audio subsystem
 when -nosound was passed

---
 engine/platform/linux/s_alsa.c | 3 +++
 engine/platform/sdl/events.c   | 6 +++---
 engine/platform/sdl/s_sdl.c    | 3 +++
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/engine/platform/linux/s_alsa.c b/engine/platform/linux/s_alsa.c
index 85a0332f..f3b5262c 100644
--- a/engine/platform/linux/s_alsa.c
+++ b/engine/platform/linux/s_alsa.c
@@ -376,6 +376,9 @@ between a deactivate and an activate.
 */
 void SNDDMA_Activate( qboolean active )
 {
+	if( !dma.initialized )
+		return;
+
 	s_alsa.paused = !active;
 
 	if( !s_alsa.paused )
diff --git a/engine/platform/sdl/events.c b/engine/platform/sdl/events.c
index 5bcc4203..59c80192 100644
--- a/engine/platform/sdl/events.c
+++ b/engine/platform/sdl/events.c
@@ -340,8 +340,8 @@ static void SDLash_ActiveEvent( int gain )
 	if( gain )
 	{
 		host.status = HOST_FRAME;
-		IN_ActivateMouse(true);
-		if( snd_mute_losefocus.value )
+		IN_ActivateMouse( true );
+		if( dma.initialized && snd_mute_losefocus.value )
 		{
 			SNDDMA_Activate( true );
 		}
@@ -361,7 +361,7 @@ static void SDLash_ActiveEvent( int gain )
 #endif
 		host.status = HOST_NOFOCUS;
 		IN_DeactivateMouse();
-		if( snd_mute_losefocus.value )
+		if( dma.initialized && snd_mute_losefocus.value )
 		{
 			SNDDMA_Activate( false );
 		}
diff --git a/engine/platform/sdl/s_sdl.c b/engine/platform/sdl/s_sdl.c
index 14782091..6de35fcd 100644
--- a/engine/platform/sdl/s_sdl.c
+++ b/engine/platform/sdl/s_sdl.c
@@ -264,6 +264,9 @@ between a deactivate and an activate.
 */
 void SNDDMA_Activate( qboolean active )
 {
+	if( !dma.initialized )
+		return;
+
 	SDL_PauseAudioDevice( sdl_dev, !active );
 }
 #endif // XASH_SOUND == SOUND_SDL