On Mon, Feb 2, 2009 at 11:42 AM, Christoph Mallon <christoph.mallon_at_gmx.de> wrote: > Hi, > > I compiled a list of all local variables in src/sys/ (r188000), which are > only written to, but never read. This is more than the GCC warning, which > only complains about variables, which are only declared (and maybe > initialised) and not used otherwise. In contrast this list contains > variables with the following usage pattern: > > int w = 42; // GCC warns about this ... > int x; // ... but not this > x = 23; > x++; > return 0; > > The list contains about 700 entries. About three dozen concern variables > named 'error'. Here's one *example* from the list: > > sys/dev/kbdmux/kbdmux.c:1304 > > In the function kbdmux_modevent() the variable 'error' is assigned values > eight times, but at the end of the function there is just a return 0; and > the variable is never read. Probably the value should be returned. fixed. thanks for reporting! thanks, maxReceived on Mon Feb 02 2009 - 20:35:45 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:41 UTC