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| author | Bart Van Assche <bvanassche@acm.org> | 2019-08-08 20:01:56 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-08-12 21:34:07 -0400 |
| commit | 527e9b704c3d46da1cd4061a5ce939456eac8566 (patch) | |
| tree | 892b402e9204a4029193bc1eef160531f824115b /drivers/scsi/qla2xxx | |
| parent | dc6d6d34e1f674b39d91454fca2b826e190e0351 (diff) | |
| download | linux-527e9b704c3d46da1cd4061a5ce939456eac8566.tar.bz2 | |
scsi: qla2xxx: Use memcpy() and strlcpy() instead of strcpy() and strncpy()
This patch makes the string manipulation code easier to verify.
Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mr.c | 6 |
2 files changed, 14 insertions, 10 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2d9a379fd8fb..5258d2486e25 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -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)) diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 759fcfecc310..78b3679e1b9c 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -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, |