diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 4f0d0e55f0..d6516ab004 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -900,8 +900,19 @@ static void zfcp_fc_rspn(struct zfcp_adapter *adapter, zfcp_fc_ct_ns_init(&rspn_req->ct_hdr, FC_NS_RSPN_ID, FC_SYMBOLIC_NAME_SIZE); hton24(rspn_req->rspn.fr_fid.fp_fid, fc_host_port_id(shost)); - len = strlcpy(rspn_req->rspn.fr_name, fc_host_symbolic_name(shost), - FC_SYMBOLIC_NAME_SIZE); + + BUILD_BUG_ON(sizeof(rspn_req->name) != + sizeof(fc_host_symbolic_name(shost))); + BUILD_BUG_ON(sizeof(rspn_req->name) != + type_max(typeof(rspn_req->rspn.fr_name_len)) + 1); + len = strscpy(rspn_req->name, fc_host_symbolic_name(shost), + sizeof(rspn_req->name)); + /* + * It should be impossible for this to truncate (see BUILD_BUG_ON() + * above), but be robust anyway. + */ + if (WARN_ON(len < 0)) + len = sizeof(rspn_req->name) - 1; rspn_req->rspn.fr_name_len = len; sg_init_one(&fc_req->sg_req, rspn_req, sizeof(*rspn_req)); |