On 03/13/2018 12:58 PM, Vivien Didelot wrote: > Hi Salvatore, > > Salvatore Mesoraca <s.mesorac...@gmail.com> writes: > >> dsa_switch's num_ports is currently fixed to DSA_MAX_PORTS. So we avoid >> 2 VLAs[1] by using DSA_MAX_PORTS instead of ds->num_ports. >> >> [1] https://lkml.org/lkml/2018/3/7/621 >> >> Signed-off-by: Salvatore Mesoraca <s.mesorac...@gmail.com> > > NAK. > > We are in the process to remove hardcoded limits such as DSA_MAX_PORTS > and DSA_MAX_SWITCHES, so we have to stick with ds->num_ports.
Then this means that we need to allocate a bitmap from the heap, which sounds a bit superfluous and could theoretically fail... not sure which way is better, but bumping the size to DSA_MAX_PORTS definitively does help people working on enabling -Wvla. -- Florian
