staging: comedi: das1800: prefer kmalloc_array over kmalloc with multiply
authorChase Southwood <chase.southwood@gmail.com>
Tue, 20 Jan 2015 02:42:49 +0000 (20:42 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Jan 2015 11:59:09 +0000 (19:59 +0800)
Checkpatch doesn't like kmalloc with multiply very much:
drivers/staging/comedi/drivers/das1800.c:1377: WARNING: Prefer kmalloc_array over kmalloc with multiply

So this patch swaps that use out for kmalloc_array instead.

Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/das1800.c

index 381ae94..13ed31c 100644 (file)
@@ -1374,7 +1374,7 @@ static int das1800_attach(struct comedi_device *dev,
        if (dev->irq & it->options[2])
                das1800_init_dma(dev, it);
 
-       devpriv->fifo_buf = kmalloc(FIFO_SIZE * sizeof(uint16_t), GFP_KERNEL);
+       devpriv->fifo_buf = kmalloc_array(FIFO_SIZE, sizeof(uint16_t), GFP_KERNEL);
        if (!devpriv->fifo_buf)
                return -ENOMEM;