On Fri, Nov 18, 2022 at 01:58:51PM -0800, Kees Cook wrote: > Zero-length arrays are deprecated[1] and are being replaced with > flexible array members in support of the ongoing efforts to tighten the > FORTIFY_SOURCE routines on memcpy(), correctly instrument array indexing > with UBSAN_BOUNDS, and to globally enable -fstrict-flex-arrays=3. > > Replace zero-length array with flexible-array member "lvs" in struct > opa_port_data_counters_msg and struct opa_port_error_counters64_msg. > > Additionally, the "port" member of several structs is defined as a > single-element, but is only ever accessed at index 0. Replace it with a > singleton so that flexible array usage is sane. > > This results in no differences in binary output. > > [1] https://github.com/KSPP/linux/issues/78 > > Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx> > Cc: Jason Gunthorpe <jgg@xxxxxxxx> > Cc: Leon Romanovsky <leon@xxxxxxxxxx> > Cc: cgel.zte@xxxxxxxxx > Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> > Cc: linux-rdma@xxxxxxxxxxxxxxx > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > --- > drivers/infiniband/hw/hfi1/mad.c | 22 +++++++++++----------- > 1 file changed, 11 insertions(+), 11 deletions(-) Applied to for-next, thanks Jason
