RE: [PATCH 1/5] scsi: BusLogic: Fix missing `pr_cont' use

[Maciej W. Rozycki]

On Sat, 17 Apr 2021, David Laight wrote:

> > > In patch 2, vscnprintf should probably be used to make sure it's
> > > 0 terminated.
> > 
> >  Why?  C99 has this[1]:
> > 
> > "The vsnprintf function is equivalent to snprintf, with the variable
> > argument list replaced by arg, which shall have been initialized by the
> > va_start macro (and possibly subsequent va_arg calls)."
> 
> vscnprintf() is normally the function you want (not vsnprintf())
> because the return value is the number of characters actually
> put into the buffer, not the number that would have been written
> had the buffer been long enough.

 Good catch, thank you!  I'll respin the series then.  Thank you for the 
background story too!

  Maciej