diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c
index 9d2f3a23ffb2..e46fe5c32b7f 100644
--- a/drivers/base/regmap/regcache-maple.c
+++ b/drivers/base/regmap/regcache-maple.c
@@ -112,7 +112,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
 	unsigned long *entry, *lower, *upper;
 	/* initialized to work around false-positive -Wuninitialized warning */
 	unsigned long lower_index = 0, lower_last = 0;
-	unsigned long upper_index, upper_last;
+	unsigned long upper_index = 0, upper_last = 0;
 	int ret = 0;
 
 	lower = NULL;