NFSv4 only print the label when its queried

When the bitmask of the attributes doesn't include the security label,
don't bother printing it. Since the label might not be null terminated,
adjust the printing format accordingly.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 69862bf6db0015cee29e0a7907ce9e728f157432..801119b7a59647282f790f9f91106d87e0f40dc5 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4200,10 +4200,11 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap,
                } else
                        printk(KERN_WARNING "%s: label too long (%u)!\n",
                                        __func__, len);
+               if (label && label->label)
+                       dprintk("%s: label=%.*s, len=%d, PI=%d, LFS=%d\n",
+                               __func__, label->len, (char *)label->label,
+                               label->len, label->pi, label->lfs);
        }
-       if (label && label->label)
-               dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__,
-                       (char *)label->label, label->len, label->pi, label->lfs);
        return status;
 }