dma_alloc_coherent() already clear the allocated memory, there is no need to explicitly call memset(). Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- Compile tested only --- drivers/scsi/qla2xxx/qla_gs.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 64ab070b8716..0afd6cee7113 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -622,8 +622,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id) __func__); goto done_free_sp; } - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp; - memset(ct_sns, 0, sizeof(*ct_sns)); + ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req; /* Prepare CT request */ @@ -718,8 +717,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, __func__); goto done_free_sp; } - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp; - memset(ct_sns, 0, sizeof(*ct_sns)); + ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req; /* Prepare CT request */ @@ -810,8 +808,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id, __func__); goto done_free_sp; } - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp; - memset(ct_sns, 0, sizeof(*ct_sns)); + ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req; /* Prepare CT request */ @@ -917,8 +914,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha) __func__); goto done_free_sp; } - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp; - memset(ct_sns, 0, sizeof(*ct_sns)); + ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req; /* Prepare CT request */ @@ -3228,10 +3224,8 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id) goto done_free_sp; } - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp; - memset(ct_sns, 0, sizeof(*ct_sns)); - ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req; + /* CT_IU preamble */ ct_req = qla2x00_prep_ct_req(ct_sns, GPN_ID_CMD, GPN_ID_RSP_SIZE); -- 2.34.1