From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 8 Nov 2021 13:07:18 +0000 (+0100)
Subject: microvm: check g_file_set_contents() return value
X-Git-Tag: v6.2.0-rc2~9^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b9e5628ca5d42994cc6f82752d9bf0bc98f51f64;p=thirdparty%2Fqemu.git

microvm: check g_file_set_contents() return value

Fixes: CID 1465239
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20211108130718.840216-3-kraxel@redhat.com>
---

diff --git a/hw/i386/microvm-dt.c b/hw/i386/microvm-dt.c
index a6a59a6e12c..9c3c4995b41 100644
--- a/hw/i386/microvm-dt.c
+++ b/hw/i386/microvm-dt.c
@@ -336,7 +336,10 @@ void dt_setup_microvm(MicrovmMachineState *mms)
 
     if (debug) {
         fprintf(stderr, "%s: writing microvm.fdt\n", __func__);
-        g_file_set_contents("microvm.fdt", mms->fdt, size, NULL);
+        if (!g_file_set_contents("microvm.fdt", mms->fdt, size, NULL)) {
+            fprintf(stderr, "%s: writing microvm.fdt failed\n", __func__);
+            return;
+        }
         int ret = system("dtc -I dtb -O dts microvm.fdt");
         if (ret != 0) {
             fprintf(stderr, "%s: oops, dtc not installed?\n", __func__);