[PATCH] lib/bitmap: Make length parameter `len` unsigned

[Paul Menzel]

The length is non-negative, so make it unsigned, and adapt while
condition accordingly.

Signed-off-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
---
 lib/bitmap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/bitmap.c b/lib/bitmap.c
index b18e31ea6e66..0746beb336df 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -348,14 +348,14 @@ int __bitmap_weight(const unsigned long *bitmap, unsigned int bits)
 }
 EXPORT_SYMBOL(__bitmap_weight);
 
-void __bitmap_set(unsigned long *map, unsigned int start, int len)
+void __bitmap_set(unsigned long *map, unsigned int start, unsigned int len)
 {
 	unsigned long *p = map + BIT_WORD(start);
 	const unsigned int size = start + len;
 	int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG);
 	unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start);
 
-	while (len - bits_to_set >= 0) {
+	while (len >= bits_to_set) {
 		*p |= mask_to_set;
 		len -= bits_to_set;
 		bits_to_set = BITS_PER_LONG;
-- 
2.36.1