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Commit b33112d1 authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Linus Torvalds
Browse files

kernel/kfifo.c: replace conditional test with is_power_of_2() 



Signed-off-by: default avatarRobert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 417dcdf9

kernel/kfifo.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

	}