lib/bitmap.c: make the bits parameter of bitmap_remap unsigned

Also, rename bits to nbits. Both changes for consistency with other
bitmap_* functions.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 8 deletions

diff --git a/lib/bitmap.c b/lib/bitmap.c
index e8a38bde7af9..ad161a6c82db 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -803,7 +803,7 @@ unsigned int bitmap_ord_to_pos(const unsigned long *buf, unsigned int ord, unsig
  *      @src: subset to be remapped
  *      @old: defines domain of map
  *      @new: defines range of map
- *      @bits: number of bits in each of these bitmaps
+ *      @nbits: number of bits in each of these bitmaps
  *
  * Let @old and @new define a mapping of bit positions, such that
  * whatever position is held by the n-th set bit in @old is mapped
@@ -831,22 +831,22 @@ unsigned int bitmap_ord_to_pos(const unsigned long *buf, unsigned int ord, unsig
  */
 void bitmap_remap(unsigned long *dst, const unsigned long *src,
                 const unsigned long *old, const unsigned long *new,
-                int bits)
+                unsigned int nbits)
 {
-        int oldbit, w;
+        unsigned int oldbit, w;
 
         if (dst == src)         /* following doesn't handle inplace remaps */
                 return;
-        bitmap_zero(dst, bits);
+        bitmap_zero(dst, nbits);
 
-        w = bitmap_weight(new, bits);
-        for_each_set_bit(oldbit, src, bits) {
-                int n = bitmap_pos_to_ord(old, oldbit, bits);
+        w = bitmap_weight(new, nbits);
+        for_each_set_bit(oldbit, src, nbits) {
+                int n = bitmap_pos_to_ord(old, oldbit, nbits);
 
                 if (n < 0 || w == 0)
                         set_bit(oldbit, dst);   /* identity map */
                 else
-                        set_bit(bitmap_ord_to_pos(new, n % w, bits), dst);
+                        set_bit(bitmap_ord_to_pos(new, n % w, nbits), dst);
         }
 }
 EXPORT_SYMBOL(bitmap_remap);