diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index a056850328ef..c5207ed5d65b 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1112,6 +1112,9 @@ static s32 snto32(__u32 value, unsigned n)
 	if (!value || !n)
 		return 0;
 
+	if (n > 32)
+		n = 32;
+
 	switch (n) {
 	case 8:  return ((__s8)value);
 	case 16: return ((__s16)value);