diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 31b963ae7289..d4c65e2109e2 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -355,7 +355,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, phba->sli4_hba.io_xri_max, lpfc_sli4_get_els_iocb_cnt(phba)); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; /* Port state is only one of two values for now. */ if (localport->port_id) @@ -371,7 +371,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, wwn_to_u64(vport->fc_nodename.u.wwn), localport->port_id, statep); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { nrport = NULL; @@ -398,39 +398,39 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, /* Tab in to show lport ownership. */ if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; if (phba->brd_no >= 10) { if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } scnprintf(tmp, sizeof(tmp), "WWPN x%llx ", nrport->port_name); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; scnprintf(tmp, sizeof(tmp), "WWNN x%llx ", nrport->node_name); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; scnprintf(tmp, sizeof(tmp), "DID x%06x ", nrport->port_id); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; /* An NVME rport can have multiple roles. */ if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) { if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) { if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) { if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR | FC_PORT_ROLE_NVME_TARGET | @@ -438,12 +438,12 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x", nrport->port_role); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } scnprintf(tmp, sizeof(tmp), "%s\n", statep); if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) - goto buffer_done; + goto rcu_unlock_buf_done; } rcu_read_unlock(); @@ -505,7 +505,13 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&lport->cmpl_fcp_err)); strlcat(buf, tmp, PAGE_SIZE); -buffer_done: + /* RCU is already unlocked. */ + goto buffer_done; + + rcu_unlock_buf_done: + rcu_read_unlock(); + + buffer_done: len = strnlen(buf, PAGE_SIZE); if (unlikely(len >= (PAGE_SIZE - 1))) { |