From: Chen Qun <kuhn.chenqun@huawei.com>
Date: Tue, 18 Feb 2020 09:11:53 +0000 (+0800)
Subject: hw/ppc/virtex_ml507:fix leak of fdevice tree blob
X-Git-Tag: v5.0.0-rc0~80^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=438bafcac55308eef4f9029c94dbadd2c7ac3bb7;p=thirdparty%2Fqemu.git

hw/ppc/virtex_ml507:fix leak of fdevice tree blob

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.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Message-Id: <20200218091154.21696-3-kuhn.chenqun@huawei.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
index 91dd00ee91c..4eef70069f9 100644
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@@ -188,6 +188,7 @@ static int xilinx_load_device_tree(hwaddr addr,
     if (r < 0)
         fprintf(stderr, "couldn't set /chosen/bootargs\n");
     cpu_physical_memory_write(addr, fdt, fdt_size);
+    g_free(fdt);
     return fdt_size;
 }