[PATCH] hw/i386/pc: when adding reserved E820 entries do not allocate dynamic entries

[Ani Sinha]

When adding E820_RESERVED entries we also accidentally allocate dynamic
entries. This is incorrect. We should simply return early with the count of
the number of reserved entries added.

fixes: 7d67110f2d9a6("pc: add etc/e820 fw_cfg file")
cc: kraxel@redhat.com
Signed-off-by: Ani Sinha <ani@anisinha.ca>
---
 hw/i386/e820_memory_layout.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/i386/e820_memory_layout.c b/hw/i386/e820_memory_layout.c
index bcf9eaf837..afb08253a4 100644
--- a/hw/i386/e820_memory_layout.c
+++ b/hw/i386/e820_memory_layout.c
@@ -31,6 +31,8 @@ int e820_add_entry(uint64_t address, uint64_t length, 
uint32_t type)
         entry->type = cpu_to_le32(type);
 
         e820_reserve.count = cpu_to_le32(index);
+
+        return index;
     }
 
     /* new "etc/e820" file -- include ram too */
-- 
2.25.1