diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 98e1b1ddb4ec..90b12c7c0f20 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -409,7 +409,7 @@ static int ext4_valid_extent_entries(struct inode *inode,
 {
 	unsigned short entries;
 	ext4_lblk_t lblock = 0;
-	ext4_lblk_t prev = 0;
+	ext4_lblk_t cur = 0;
 
 	if (eh->eh_entries == 0)
 		return 1;
@@ -435,12 +435,12 @@ static int ext4_valid_extent_entries(struct inode *inode,
 
 			/* Check for overlapping extents */
 			lblock = le32_to_cpu(ext->ee_block);
-			if ((lblock <= prev) && prev) {
+			if (lblock < cur) {
 				pblock = ext4_ext_pblock(ext);
 				es->s_last_error_block = cpu_to_le64(pblock);
 				return 0;
 			}
-			prev = lblock + ext4_ext_get_actual_len(ext) - 1;
+			cur = lblock + ext4_ext_get_actual_len(ext);
 			ext++;
 			entries--;
 		}
@@ -460,13 +460,13 @@ static int ext4_valid_extent_entries(struct inode *inode,
 
 			/* Check for overlapping index extents */
 			lblock = le32_to_cpu(ext_idx->ei_block);
-			if ((lblock <= prev) && prev) {
+			if (lblock < cur) {
 				*pblk = ext4_idx_pblock(ext_idx);
 				return 0;
 			}
 			ext_idx++;
 			entries--;
-			prev = lblock;
+			cur = lblock + 1;
 		}
 	}
 	return 1;