diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index afd67648d..43bee0cc4 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -941,7 +941,6 @@ static int vdisk_attach_tgt(struct scst_tgt_dev *tgt_dev)
 		virt_dev->fd = NULL;
 
 out:
-
 	TRACE_EXIT_RES(res);
 	return res;
 }
diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index 3963ab76e..5d9b87a18 100644
--- a/scst/src/scst_lib.c
+++ b/scst/src/scst_lib.c
@@ -67,6 +67,12 @@ static int strncasecmp(const char *s1, const char *s2, size_t n)
 }
 #endif
 
+#if !((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30)) && defined(SCSI_EXEC_REQ_FIFO_DEFINED)) && !defined(HAVE_SG_COPY)
+static int sg_copy(struct scatterlist *dst_sg, struct scatterlist *src_sg,
+	    int nents_to_copy, size_t copy_len,
+	    enum km_type d_km_type, enum km_type s_km_type);
+#endif
+
 static void scst_destroy_put_cmd(struct scst_cmd *cmd);
 
 struct scst_sdbops;