Typically, strncmp uses the length of the second argument as the maximum comparison length. Perhaps these strncmp uses should be modified? arch/s390/kernel/vdso.c: if (strncmp(s, "on", 3) == 0) arch/s390/kernel/vdso.c: else if (strncmp(s, "off", 4) == 0) arch/s390/kernel/setup.c: if (strncmp(str, "hwc", 4) == 0 || strncmp(str, "sclp", 5) == 0) arch/s390/kernel/setup.c: if (strncmp(str, "3215", 5) == 0) arch/s390/kernel/setup.c: if (strncmp(str, "3270", 5) == 0) -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html