From b33112d1cc25e658c334125d127a6ae15d5a0ad6 Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Tue, 16 Jun 2009 15:33:34 -0700 Subject: [PATCH] kernel/kfifo.c: replace conditional test with is_power_of_2() Signed-off-by: Robert P. J. Day Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/kfifo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/kfifo.c b/kernel/kfifo.c index bc41ad0f24f..26539e3228e 100644 --- a/kernel/kfifo.c +++ b/kernel/kfifo.c @@ -72,9 +72,9 @@ struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask, spinlock_t *lock) /* * 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); }