diff --git a/lib/bitmap.c b/lib/bitmap.c
index 2f4412e..0d4a127 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -419,7 +419,7 @@
 {
 	int c, old_c, totaldigits, ndigits, nchunks, nbits;
 	u32 chunk;
-	const char __user *ubuf = buf;
+	const char __user __force *ubuf = (const char __user __force *)buf;
 
 	bitmap_zero(maskp, nmaskbits);
 
@@ -504,7 +504,9 @@
 {
 	if (!access_ok(VERIFY_READ, ubuf, ulen))
 		return -EFAULT;
-	return __bitmap_parse((const char *)ubuf, ulen, 1, maskp, nmaskbits);
+	return __bitmap_parse((const char __force *)ubuf,
+				ulen, 1, maskp, nmaskbits);
+
 }
 EXPORT_SYMBOL(bitmap_parse_user);
 
@@ -594,7 +596,7 @@
 {
 	unsigned a, b;
 	int c, old_c, totaldigits;
-	const char __user *ubuf = buf;
+	const char __user __force *ubuf = (const char __user __force *)buf;
 	int exp_digit, in_range;
 
 	totaldigits = c = 0;
@@ -694,7 +696,7 @@
 {
 	if (!access_ok(VERIFY_READ, ubuf, ulen))
 		return -EFAULT;
-	return __bitmap_parselist((const char *)ubuf,
+	return __bitmap_parselist((const char __force *)ubuf,
 					ulen, 1, maskp, nmaskbits);
 }
 EXPORT_SYMBOL(bitmap_parselist_user);