diff --git a/src/drv/drvFp.c b/src/drv/drvFp.c
index 78bd64233..25093cc7f 100644
--- a/src/drv/drvFp.c
+++ b/src/drv/drvFp.c
@@ -312,6 +312,10 @@ void	fp_reboot()
 {
  	int i;
 
+	if(!fp){
+		return;
+	}
+
  	for (i = 0; i < bi_num_cards[AT8_FP10S_BI]; i++){
 
 		if(!fp[i].fptr){
diff --git a/src/drv/drvFpm.c b/src/drv/drvFpm.c
index d8a91572b..dd7af6828 100644
--- a/src/drv/drvFpm.c
+++ b/src/drv/drvFpm.c
@@ -251,6 +251,10 @@ void    fpm_reboot()
 {
         int i;
 
+	if(!fpm){
+		return;
+	}
+
         for (i = 0; i < bo_num_cards[AT8_FP10M_BO]; i++){
 
                 if(!fpm[i].fmptr){