summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/bitmap.h6
-rw-r--r--lib/bitmap.c12
2 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 83c1c7d..2100378 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -140,9 +140,9 @@ extern void bitmap_onto(unsigned long *dst, const unsigned long *orig,
const unsigned long *relmap, int bits);
extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
int sz, int bits);
-extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
-extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
-extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
+extern int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
+extern void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
+extern int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);
extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits);
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 2714df9..c2f3807 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1042,7 +1042,7 @@ enum {
REG_OP_RELEASE, /* clear all bits in region */
};
-static int __reg_op(unsigned long *bitmap, int pos, int order, int reg_op)
+static int __reg_op(unsigned long *bitmap, unsigned int pos, int order, int reg_op)
{
int nbits_reg; /* number of bits in region */
int index; /* index first long of region in bitmap */
@@ -1108,11 +1108,11 @@ done:
* Return the bit offset in bitmap of the allocated region,
* or -errno on failure.
*/
-int bitmap_find_free_region(unsigned long *bitmap, int bits, int order)
+int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order)
{
- int pos, end; /* scans bitmap by regions of size order */
+ unsigned int pos, end; /* scans bitmap by regions of size order */
- for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) {
+ for (pos = 0 ; (end = pos + (1U << order)) <= bits; pos = end) {
if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
continue;
__reg_op(bitmap, pos, order, REG_OP_ALLOC);
@@ -1133,7 +1133,7 @@ EXPORT_SYMBOL(bitmap_find_free_region);
*
* No return value.
*/
-void bitmap_release_region(unsigned long *bitmap, int pos, int order)
+void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order)
{
__reg_op(bitmap, pos, order, REG_OP_RELEASE);
}
@@ -1150,7 +1150,7 @@ EXPORT_SYMBOL(bitmap_release_region);
* Return 0 on success, or %-EBUSY if specified region wasn't
* free (not all bits were zero).
*/
-int bitmap_allocate_region(unsigned long *bitmap, int pos, int order)
+int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)
{
if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
return -EBUSY;
OpenPOWER on IntegriCloud