check_errno(int a, int b, const char *as, const char *file, int line)
{
if (a != b) {
- char *str_b = strdup(ovs_strerror(abs(b)));
+ char *str_b = xstrdup(ovs_strerror(abs(b)));
ovs_fatal(0, "%s:%d: %s is %d (%s) but should be %d (%s)",
file, line, as, a, ovs_strerror(abs(a)), b, str_b);
}