This patch fixes a potential buffer overflow in lpfc_nvme_info_show().

Signed-off-by: Maurizio Lombardi <mlomb...@redhat.com>
---
 drivers/scsi/lpfc/lpfc_attr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 22819af..1ce252f 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -181,7 +181,7 @@
                                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 @@
        }
        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,
-- 
Maurizio Lombardi

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