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/qla2xxx/qla_gs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 69d3bc795f90..27e1df56b0fb 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -4072,9 +4072,8 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) } sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE; - rspsz = sizeof(struct ct_sns_gpnft_rsp) + - (vha->hw->max_fibre_devices * - sizeof(struct ct_sns_gpn_ft_data)); + rspsz = struct_size((struct ct_sns_gpnft_rsp *)0, entries, + vha->hw->max_fibre_devices); sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev, rspsz, -- 2.34.1