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authorTakashi Iwai <tiwai@suse.de>2009-05-04 16:00:16 +0200
committerTakashi Iwai <tiwai@suse.de>2009-05-04 16:00:16 +0200
commit3a20ac2c52b1317f5a5f0bd9cd3cbe8495ddd026 (patch)
tree9a912f2609cefb9698b5cce09cd240bd6dbd09fb /lib/bitmap.c
parent18cc8d8d9b74c446832336d8f6e1afb145f9431b (diff)
parent3e5b50165fd0be080044586f43fcdd460ed27610 (diff)
Merge branch 'fix/pcm-jiffies-check' into fix/asoc
Diffstat (limited to 'lib/bitmap.c')
-rw-r--r--lib/bitmap.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 1338469ac84..35a1f7ff414 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -948,15 +948,15 @@ done:
*/
int bitmap_find_free_region(unsigned long *bitmap, int bits, int order)
{
- int pos; /* scans bitmap by regions of size order */
+ int pos, end; /* scans bitmap by regions of size order */
- for (pos = 0; pos < bits; pos += (1 << order))
- if (__reg_op(bitmap, pos, order, REG_OP_ISFREE))
- break;
- if (pos == bits)
- return -ENOMEM;
- __reg_op(bitmap, pos, order, REG_OP_ALLOC);
- return pos;
+ for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) {
+ if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
+ continue;
+ __reg_op(bitmap, pos, order, REG_OP_ALLOC);
+ return pos;
+ }
+ return -ENOMEM;
}
EXPORT_SYMBOL(bitmap_find_free_region);