kernel/kfifo.c: replace conditional test with is_power_of_2()
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index bc41ad0..26539e3 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -72,9 +72,9 @@
/*
* round up to the next power of 2, since our 'let the indices
- * wrap' tachnique works only in this case.
+ * wrap' technique works only in this case.
*/
- if (size & (size - 1)) {
+ if (!is_power_of_2(size)) {
BUG_ON(size > 0x80000000);
size = roundup_pow_of_two(size);
}