X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Fkfifo.c;h=bc41ad0f24f881845d96d77a00a3d3535968566b;hb=c132419e560a2ecd3c8cf77f9c37e103e74b3754;hp=cee419143fd47bb410b0cf80e7762a0f02ffbfce;hpb=48c871c1f6a7c7044dd76774fb469e65c7e2e4e8;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index cee419143fd..bc41ad0f24f 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -24,6 +24,7 @@
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/kfifo.h>
+#include <linux/log2.h>
 
 /**
  * kfifo_init - allocates a new FIFO using a preallocated buffer
@@ -41,7 +42,7 @@ struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size,
 	struct kfifo *fifo;
 
 	/* size must be a power of 2 */
-	BUG_ON(size & (size - 1));
+	BUG_ON(!is_power_of_2(size));
 
 	fifo = kmalloc(sizeof(struct kfifo), gfp_mask);
 	if (!fifo)