pch_dma: Reduce wasting memory
Tomoya MORINAGA [Wed, 12 Oct 2011 00:38:35 +0000 (09:38 +0900)]
nr_channels is defined in "struct pch_dma".
and struct pch_dma_chan is defined in "struct pch_dma".
So, "sizeof(struct pch_dma_chan) * nr_channels" is unnecessary.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

drivers/dma/pch_dma.c

index 6abe5ac..a6d0e3d 100644 (file)
@@ -872,8 +872,7 @@ static int __devinit pch_dma_probe(struct pci_dev *pdev,
        int i;
 
        nr_channels = id->driver_data;
-       pd = kzalloc(sizeof(struct pch_dma)+
-               sizeof(struct pch_dma_chan) * nr_channels, GFP_KERNEL);
+       pd = kzalloc(sizeof(*pd), GFP_KERNEL);
        if (!pd)
                return -ENOMEM;