From 7e9dcffdf7034faa5ad72db5fa933d61b8c73996 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Tue, 7 Jun 2022 20:54:10 -0700
Subject: [PATCH] Do not play invalid sfx

---
 src/s_sound.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/s_sound.c b/src/s_sound.c
index 1214472d7..9d3456f59 100644
--- a/src/s_sound.c
+++ b/src/s_sound.c
@@ -678,6 +678,14 @@ void S_StartSoundAtVolume(const void *origin_p, sfxenum_t sfx_id, INT32 volume)
 		if (!sfx->data)
 		{
 			sfx->data = I_GetSfx(sfx);
+
+			if (!sfx->data)
+			{
+				CONS_Alert(CONS_WARNING,
+						"Tried to load invalid sfx_%s\n",
+						sfx->name);
+				return;/* don't play it */
+			}
 		}
 
 		// increase the usefulness