kfifo: fix kernel BUG in dma example

[linux-flexiantxendom0-natty.git] / samples / kfifo / dma-example.c

diff --git a/samples/kfifo/dma-example.c b/samples/kfifo/dma-example.c
index b9482c2..03433ca 100644 (file)
--- a/samples/kfifo/dma-example.c
+++ b/samples/kfifo/dma-example.c
@@ -45,6 +45,7 @@ static int __init example_init(void)
 
        printk(KERN_INFO "queue len: %u\n", kfifo_len(&fifo));
 
+       sg_init_table(sg, ARRAY_SIZE(sg));
        ret = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE);
        printk(KERN_INFO "DMA sgl entries: %d\n", ret);