diff options
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 2714df9f5cdb..c2f3807b3601 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; |