[CIFS] warn if both dynperm and cifsacl mount options specified

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 023434f..d49e274 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2120,6 +2120,10 @@
 			cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
 		}
 
+		if ((volume_info.cifs_acl) && (volume_info.dynperm))
+			cERROR(1, ("mount option dynperm ignored if cifsacl "
+				   "mount option supported"));
+
 		tcon =
 		    find_unc(sin_server.sin_addr.s_addr, volume_info.UNC,
 			     volume_info.username);