diff options
| author | Maurizio Lombardi <mlombard@redhat.com> | 2017-04-18 11:55:51 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-04-18 22:01:19 -0400 |
| commit | ea98ab34c4339bc638fa394bf1bf0c6863fa88f4 (patch) | |
| tree | e0bcbab0e5d228d3234d8a92a9fc12bef0fb83de /drivers/scsi/lpfc/lpfc_attr.c | |
| parent | cb22bdc8cd5a7a4fdb9a02a64a29bb81a95e6738 (diff) | |
| download | linux-ea98ab34c4339bc638fa394bf1bf0c6863fa88f4.tar.gz linux-ea98ab34c4339bc638fa394bf1bf0c6863fa88f4.tar.bz2 linux-ea98ab34c4339bc638fa394bf1bf0c6863fa88f4.zip | |
scsi: lpfc: fix potential buffer overflow.
This patch fixes a potential buffer overflow in lpfc_nvme_info_show().
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 5c783ef7f260..7c2801b04e18 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -181,7 +181,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, wwn_to_u64(vport->fc_nodename.u.wwn), phba->targetport->port_id); - len += snprintf(buf + len, PAGE_SIZE, + len += snprintf(buf + len, PAGE_SIZE - len, "\nNVME Target: Statistics\n"); tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; len += snprintf(buf+len, PAGE_SIZE-len, @@ -326,7 +326,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, } spin_unlock_irq(shost->host_lock); - len += snprintf(buf + len, PAGE_SIZE, "\nNVME Statistics\n"); + len += snprintf(buf + len, PAGE_SIZE - len, "\nNVME Statistics\n"); len += snprintf(buf+len, PAGE_SIZE-len, "LS: Xmt %016llx Cmpl %016llx\n", phba->fc4NvmeLsRequests, |