3 files changed, 12 insertions, 9 deletions
diff --git a/board/gdsys/405ep/dlvision-10g.c b/board/gdsys/405ep/dlvision-10g.c
index 038854161..ecba66ec7 100644
--- a/board/gdsys/405ep/dlvision-10g.c
+++ b/board/gdsys/405ep/dlvision-10g.c
@@ -225,15 +225,16 @@ static void print_fpga_info(unsigned dev)
  */
 int checkboard(void)
 {
-	char *s = getenv("serial#");
+	char buf[64];
+	int i = getenv_f("serial#", buf, sizeof(buf));
 
 	printf("Board: ");
 
 	printf("DLVision 10G");
 
-	if (s != NULL) {
+	if (i > 0) {
 		puts(", serial# ");
-		puts(s);
+		puts(buf);
 	}
 
 	puts("\n");
diff --git a/board/gdsys/405ep/io.c b/board/gdsys/405ep/io.c
index 0974019ef..db1ea7f0c 100644
--- a/board/gdsys/405ep/io.c
+++ b/board/gdsys/405ep/io.c
@@ -87,8 +87,9 @@ err_out:
  */
 int checkboard(void)
 {
+	char buf[64];
+	int i = getenv_f("serial#", buf, sizeof(buf));
 	ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
-	char *s = getenv("serial#");
 	u16 versions = in_le16(&fpga->versions);
 	u16 fpga_version = in_le16(&fpga->fpga_version);
 	u16 fpga_features = in_le16(&fpga->fpga_features);
@@ -106,9 +107,9 @@ int checkboard(void)
 
 	printf("CATCenter Io");
 
-	if (s != NULL) {
+	if (i > 0) {
 		puts(", serial# ");
-		puts(s);
+		puts(buf);
 	}
 	puts("\n       ");
 
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
index 20770e4ef..ce5334089 100644
--- a/board/gdsys/405ep/iocon.c
+++ b/board/gdsys/405ep/iocon.c
@@ -69,8 +69,9 @@ enum {
  */
 int checkboard(void)
 {
+	char buf[64];
+	int i = getenv_f("serial#", buf, sizeof(buf));
 	ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
-	char *s = getenv("serial#");
 	u16 versions = in_le16(&fpga->versions);
 	u16 fpga_version = in_le16(&fpga->fpga_version);
 	u16 fpga_features = in_le16(&fpga->fpga_features);
@@ -98,9 +99,9 @@ int checkboard(void)
 
 	printf("IoCon");
 
-	if (s != NULL) {
+	if (i > 0) {
 		puts(", serial# ");
-		puts(s);
+		puts(buf);
 	}
 	puts("\n       ");