virt: make sure we don't ignore some errors

2016-02-22 23:23:06 +01:00
parent 7882632d5a
commit d5b687e7c2
1 changed files with 2 additions and 0 deletions
@@ -201,6 +201,8 @@ static int detect_vm_xen(void) {
        r = read_one_line_file("/proc/xen/capabilities", &domcap);
        if (r == -ENOENT)
                return VIRTUALIZATION_NONE;
+        if (r < 0)
+                return r;

        i = domcap;
        while ((cap = strsep(&i, ",")))