The char pointer 'ramName' point to a block of memory, but never free it.
Use a small fixed-size buffer for 'ramName'.

Resolves: Coverity CID 1544773

Fixes: 0cf1478d6 ("hw/loongarch: Add numa support")
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
v2:
  - Use a small fixed-size buffer for 'ramName'.
  - Link to V1: 
https://patchew.org/QEMU/20240507022239.3113987-1-gaos...@loongson.cn/ 

 hw/loongarch/virt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index c0999878df..ee690ad981 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -887,7 +887,7 @@ static void loongarch_init(MachineState *machine)
     const CPUArchIdList *possible_cpus;
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     CPUState *cpu;
-    char *ramName = NULL;
+    char ramName[32];
 
     if (!cpu_model) {
         cpu_model = LOONGARCH_CPU_TYPE_NAME("la464");
@@ -946,7 +946,7 @@ static void loongarch_init(MachineState *machine)
 
     for (i = 1; i < nb_numa_nodes; i++) {
         MemoryRegion *nodemem = g_new(MemoryRegion, 1);
-        ramName = g_strdup_printf("loongarch.node%d.ram", i);
+        sprintf(ramName, "loongarch.node%d.ram", i);
         memory_region_init_alias(nodemem, NULL, ramName, machine->ram,
                                  offset,  numa_info[i].node_mem);
         memory_region_add_subregion(address_space_mem, phyAddr, nodemem);
-- 
2.25.1


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