From 1a589eb1781f4764881b90a9b9c373ecd8097707 Mon Sep 17 00:00:00 2001
From: RichardG867 <richardg867@gmail.com>
Date: Sun, 27 Mar 2022 18:30:42 -0300
Subject: [PATCH] Virtual ISO: Don't crash if there's no memory for the entry
 map

---
 src/cdrom/cdrom_image_viso.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cdrom/cdrom_image_viso.c b/src/cdrom/cdrom_image_viso.c
index 73530d784..4ea27a572 100644
--- a/src/cdrom/cdrom_image_viso.c
+++ b/src/cdrom/cdrom_image_viso.c
@@ -1194,7 +1194,9 @@ next_entry:
     }
 
     /* Allocate entry map for sector->file lookups. */
-    viso->entry_map        = (viso_entry_t **) calloc(viso->entry_map_size, sizeof(viso_entry_t *));
+    viso->entry_map = (viso_entry_t **) calloc(viso->entry_map_size, sizeof(viso_entry_t *));
+    if (!viso->entry_map)
+        goto end;
     viso->metadata_sectors = ftello64(viso->tf.file) / viso->sector_size;
     viso->all_sectors      = viso->metadata_sectors;