From: BALATON Zoltan <balaton@eik.bme.hu>
Date: Sun, 15 Jul 2018 20:47:26 +0000 (+0200)
Subject: sam460ex: Correct use after free error
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3cc702d6aad603fdbe0c83db0bf803e450a6d0b8;p=qemu.git

sam460ex: Correct use after free error

Commit 51b0d834c changed error handling to report file name in error
message but forgot to move freeing it after usage. Noticed by Coverity.

Fixes: CID 1394217
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index e2b7028843..0999efcc1e 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -269,11 +269,12 @@ static int sam460ex_load_device_tree(hwaddr addr,
         exit(1);
     }
     fdt = load_device_tree(filename, &fdt_size);
-    g_free(filename);
     if (!fdt) {
         error_report("Couldn't load dtb file `%s'", filename);
+        g_free(filename);
         exit(1);
     }
+    g_free(filename);
 
     /* Manipulate device tree in memory. */