>> My reasoning behind the patch is that the C standard does not require a >> specific cast of a void pointer in order to set it to the type of the >> member gpr_map of the struct snd_emu10k1_fx8010_code. I named it redundant >> because the compiler would cast to it anyway. > > That's correct as far as the C standard is concerned. However, __user is > a non-standard extension. > >> The line also appears as a warning when running make coccicheck. > > And when you remove the __user, you get a warning when running make C=x. > > Both coccinelle and sparse are merely tools for finding likely bugs. > When it isn't possible to make them both happy with or without the cast, > that just shows that the code itself is badly designed. > > The driver should be redesigned to not access user and kernel space > memory through the same pointer.
In that case I thank you for the quick feedback and I will try looking more deeply into the issue. Vicentiu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

