diff --git a/drivers/misc/imx_ele/fuse.c b/drivers/misc/imx_ele/fuse.c
index d12539c..47880d8 100644
--- a/drivers/misc/imx_ele/fuse.c
+++ b/drivers/misc/imx_ele/fuse.c
@@ -138,8 +138,7 @@
 	/* map the fuse from ocotp fuse map to FSB*/
 	for (i = 0; i < size; i++) {
 		if (fsb_mapping_table[i].fuse_bank != -1 &&
-		    fsb_mapping_table[i].fuse_bank == bank &&
-		    fsb_mapping_table[i].fuse_words > word) {
+		    fsb_mapping_table[i].fuse_bank == bank) {
 			break;
 		}
 
@@ -150,8 +149,13 @@
 		return -1; /* Failed to find */
 
 	if (fsb_mapping_table[i].redundancy) {
+		if ((fsb_mapping_table[i].fuse_words << 1) <= word)
+			return -2; /* Not valid word */
+
 		*redundancy = true;
 		return (word >> 1) + word_pos;
+	} else if (fsb_mapping_table[i].fuse_words <= word) {
+		return -2; /* Not valid word */
 	}
 
 	*redundancy = false;
@@ -204,7 +208,7 @@
 	word_index = map_ele_fuse_index(bank, word);
 	if (word_index >= 0) {
 		u32 data[4];
-		u32 res, size = 4;
+		u32 res = 0, size = 4;
 		int ret;
 
 		/* Only UID return 4 words */
@@ -257,7 +261,7 @@
 	word_index = map_ele_fuse_index(bank, word);
 	if (word_index >= 0) {
 		u32 data;
-		u32 res, size = 1;
+		u32 res = 0, size = 1;
 		int ret;
 
 		ret = ele_read_common_fuse(word_index, &data, size, &res);
@@ -282,7 +286,7 @@
 
 int fuse_prog(u32 bank, u32 word, u32 val)
 {
-	u32 res;
+	u32 res = 0;
 	int ret;
 	bool lock = false;