On Wed, May 17, 2023 at 03:23:01PM -0600, Gustavo A. R. Silva wrote: > Prefer struct_size() over open-coded versions of idiom: > > sizeof(struct-with-flex-array) + sizeof(typeof-flex-array-elements) * count > > where count is the max number of items the flexible array is supposed to > contain. > > Link: https://github.com/KSPP/linux/issues/160 > Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> > --- > drivers/scsi/lpfc/lpfc_ct.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c > index e880d127d7f5..3b95c56023bf 100644 > --- a/drivers/scsi/lpfc/lpfc_ct.c > +++ b/drivers/scsi/lpfc/lpfc_ct.c > @@ -3748,8 +3748,7 @@ lpfc_vmid_cmd(struct lpfc_vport *vport, > rap->obj[0].entity_id_len = vmid->vmid_len; > memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len); > size = RAPP_IDENT_OFFSET + > - sizeof(struct lpfc_vmid_rapp_ident_list) + > - sizeof(struct entity_id_object); > + struct_size(rap, obj, rap->no_of_objects); Has rap->no_of_objects always been "1"? (i.e. there was a prior multiplication here before... -- Kees Cook
