[PATCH 3/3] hw/xtensa/xtfpga:fix leak of fdevice tree blob

[kuhn.chenqun]

From: Chen Qun <kuhn.chen...@huawei.com>

The device tree blob returned by load_device_tree is malloced.
We should free it after cpu_physical_memory_write().

Reported-by: Euler Robot <euler.ro...@huawei.com>
Signed-off-by: Chen Qun <kuhn.chen...@huawei.com>
---
 hw/xtensa/xtfpga.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
index 8e2dd1327a..60ccc74f5f 100644
--- a/hw/xtensa/xtfpga.c
+++ b/hw/xtensa/xtfpga.c
@@ -380,6 +380,7 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, 
MachineState *machine)
             cur_tagptr = put_tag(cur_tagptr, BP_TAG_FDT,
                                  sizeof(dtb_addr), &dtb_addr);
             cur_lowmem = QEMU_ALIGN_UP(cur_lowmem + fdt_size, 4 * KiB);
+            g_free(fdt);
         }
 #else
         if (dtb_filename) {
-- 
2.23.0