diff options
| -rw-r--r-- | kernel/kfifo.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/kfifo.c b/kernel/kfifo.c index cee419143fd4..bc41ad0f24f8 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) |