On 5 July 2011 07:15, Markus Armbruster <arm...@redhat.com> wrote: >> + int fd, __attribute__((unused)) ret; >> >> snprintf(reset_file, sizeof(reset_file), >> "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/reset", > > What about (void)write() and do away with ret?
If 'ret' has been used to silence compiler warnings about functions which have been declared with attribute __warn_unused_result__ (eg write() and various other libc functions) then "(void)write()" is insufficient -- gcc requires the variable. -- PMM