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[PULL 17/17] hw/xtensa/xtfpga:fix leak of fdevice tree blob

From: Laurent Vivier
Subject: [PULL 17/17] hw/xtensa/xtfpga:fix leak of fdevice tree blob
Date: Wed, 19 Feb 2020 11:16:12 +0100

From: Chen Qun <address@hidden>

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

Reported-by: Euler Robot <address@hidden>
Signed-off-by: Chen Qun <address@hidden>
Acked-by: Max Filippov <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
 hw/xtensa/xtfpga.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
index 8e2dd1327a46..60ccc74f5f1d 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);
         if (dtb_filename) {

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