@@ -4438,7 +4438,7 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
if (len > sizeof(zero))
len = sizeof(zero);
if (memcmp(model, &zero, len) != 0) {
- strncpy(ha->model_number, model, len);
+ memcpy(ha->model_number, model, len);
st = en = ha->model_number;
en += len - 1;
while (en > st) {
@@ -4451,21 +4451,23 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
if (use_tbl &&
ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
index < QLA_MODEL_NAMES)
- strncpy(ha->model_desc,
+ strlcpy(ha->model_desc,
qla2x00_model_name[index * 2 + 1],
- sizeof(ha->model_desc) - 1);
+ sizeof(ha->model_desc));
} else {
index = (ha->pdev->subsystem_device & 0xff);
if (use_tbl &&
ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
index < QLA_MODEL_NAMES) {
- strcpy(ha->model_number,
- qla2x00_model_name[index * 2]);
- strncpy(ha->model_desc,
+ strlcpy(ha->model_number,
+ qla2x00_model_name[index * 2],
+ sizeof(ha->model_number));
+ strlcpy(ha->model_desc,
qla2x00_model_name[index * 2 + 1],
- sizeof(ha->model_desc) - 1);
+ sizeof(ha->model_desc));
} else {
- strcpy(ha->model_number, def);
+ strlcpy(ha->model_number, def,
+ sizeof(ha->model_number));
}
}
if (IS_FWI2_CAPABLE(ha))
@@ -1939,8 +1939,10 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
if (fx_type == FXDISC_GET_CONFIG_INFO) {
struct config_info_data *pinfo =
(struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
- strcpy(vha->hw->model_number, pinfo->model_num);
- strcpy(vha->hw->model_desc, pinfo->model_description);
+ strlcpy(vha->hw->model_number, pinfo->model_num,
+ ARRAY_SIZE(vha->hw->model_number));
+ strlcpy(vha->hw->model_desc, pinfo->model_description,
+ ARRAY_SIZE(vha->hw->model_desc));
memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
sizeof(vha->hw->mr.symbolic_name));
memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
This patch makes the string manipulation code easier to verify. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- drivers/scsi/qla2xxx/qla_init.c | 18 ++++++++++-------- drivers/scsi/qla2xxx/qla_mr.c | 6 ++++-- 2 files changed, 14 insertions(+), 10 deletions(-)