> I checked, none of gcc and clang would trigger a warning even for a > 'make W=12'. More generally speaking, I made sure that my driver is > free of any W=12. That is good enough for me. > I do not care any more as long as it does not result in > undefined behaviour. Agreed. Hopefully sscanf cannot go completely wrong and go off the end of the buffer. That i would care about. Bit i guess the USB fuzzers would of hit such problems already. Andrew