On Thu, Mar 8, 2018 at 1:38 PM, Stephen Kitt <steve@xxxxxxx> wrote: > In preparation to enabling -Wvla, remove VLAs and replace them with > fixed-length arrays instead. > > bfad_bsg.c uses a variable-length array declaration to measure the > size of a putative array; this can be replaced by the product of the > size of an element and the number of elements, avoiding the VLA > altogether. > > This was prompted by https://lkml.org/lkml/2018/3/7/621 > > Signed-off-by: Stephen Kitt <steve@xxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -Kees > --- > drivers/scsi/bfa/bfad_bsg.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c > index 3976e787ba64..7c884f881180 100644 > --- a/drivers/scsi/bfa/bfad_bsg.c > +++ b/drivers/scsi/bfa/bfad_bsg.c > @@ -891,7 +891,7 @@ bfad_iocmd_fabric_get_lports(struct bfad_s *bfad, void *cmd, > > if (bfad_chk_iocmd_sz(payload_len, > sizeof(struct bfa_bsg_fabric_get_lports_s), > - sizeof(wwn_t[iocmd->nports])) != BFA_STATUS_OK) { > + sizeof(wwn_t) * iocmd->nports) != BFA_STATUS_OK) { > iocmd->status = BFA_STATUS_VERSION_FAIL; > goto out; > } > -- > 2.11.0 > -- Kees Cook Pixel Security