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authorGerd Hoffmann <kraxel@redhat.com>2021-11-08 14:07:18 +0100
committerGerd Hoffmann <kraxel@redhat.com>2021-11-22 11:14:28 +0100
commitb9e5628ca5d42994cc6f82752d9bf0bc98f51f64 (patch)
tree05cc138f97e259dd692f8eef152c343225fdd952
parent1b38ccc9a1fa865a8838c89216dc36df87e9c9d5 (diff)
downloadfocaccia-qemu-b9e5628ca5d42994cc6f82752d9bf0bc98f51f64.tar.gz
focaccia-qemu-b9e5628ca5d42994cc6f82752d9bf0bc98f51f64.zip
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>
-rw-r--r--hw/i386/microvm-dt.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/i386/microvm-dt.c b/hw/i386/microvm-dt.c
index a6a59a6e12..9c3c4995b4 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__);