Comment # 38 on bug 1180344 from Takashi Iwai

(In reply to Arjen de Korte from comment #34)
> Looking at drivers/net/wireless/intel/iwlwifi/iwl-debug.h, IWL_DEBUG_FW
> accepts a va_arg list, so why not replace the offending code with
> 
> IWL_DEBUG_FW(trans, "WRT: parsing region: %.*s\n", IWL_FW_INI_MAX_NAME,
> reg->name);
> 
> This will have the same effect, but without the terrible habit of modifying
> a buffer/string one doesn't own.

That would work, yes.  But then add a comment why this form is used (i.e. it
may be a non-terminated string and may be read-only) before the call, otherwise
the reader at a later point would overlook the need of the modifier again.