IB/ipath: strncpy() doesn't always NUL-terminate

strlcpy() will always null terminate the string.  node_desc is not
guaranteed to be NUL-terminated so just use memcpy().

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 23173982b32c..38a287006612 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1616,7 +1616,7 @@ static int try_alloc_port(struct ipath_devdata *dd, int port,
                 pd->port_cnt = 1;
                 port_fp(fp) = pd;
                 pd->port_pid = get_pid(task_pid(current));
-                strncpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
+                strlcpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
                 ipath_stats.sps_ports++;
                 ret = 0;
         } else
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index 16a702d46018..ceb98ee78666 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -60,7 +60,7 @@ static int recv_subn_get_nodedescription(struct ib_smp *smp,
         if (smp->attr_mod)
                 smp->status |= IB_SMP_INVALID_FIELD;
 
-        strncpy(smp->data, ibdev->node_desc, sizeof(smp->data));
+        memcpy(smp->data, ibdev->node_desc, sizeof(smp->data));
 
         return reply(smp);
 }