PRISM54: fix compilation warning

CC [M]  drivers/net/wireless/prism54/islpci_eth.o
drivers/net/wireless/prism54/islpci_eth.c: In function ‘islpci_eth_cleanup_transmit’:
drivers/net/wireless/prism54/islpci_eth.c:53: warning: cast from pointer to integer of different size
drivers/net/wireless/prism54/islpci_eth.c: In function ‘islpci_eth_receive’:
drivers/net/wireless/prism54/islpci_eth.c:453: warning: cast from pointer to integer of different size

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c
index c255d9c..9b5ee34 100644 (file)
--- a/drivers/net/wireless/prism54/islpci_eth.c
+++ b/drivers/net/wireless/prism54/islpci_eth.c
@@ -50,7 +50,7 @@ islpci_eth_cleanup_transmit(islpci_private *priv,
 
                /* check for holes in the arrays caused by multi fragment frames
                 * searching for the last fragment of a frame */
-               if (priv->pci_map_tx_address[index] != (dma_addr_t) NULL) {
+               if (priv->pci_map_tx_address[index]) {
                        /* entry is the last fragment of a frame
                         * free the skb structure and unmap pci memory */
                        skb = priv->data_low_tx[index];
@@ -450,7 +450,7 @@ islpci_eth_receive(islpci_private *priv)
                    pci_map_single(priv->pdev, (void *) skb->data,
                                   MAX_FRAGMENT_SIZE_RX + 2,
                                   PCI_DMA_FROMDEVICE);
-               if (unlikely(priv->pci_map_rx_address[index] == (dma_addr_t) NULL)) {
+               if (unlikely(!priv->pci_map_rx_address[index])) {
                        /* error mapping the buffer to device accessable memory address */
                        DEBUG(SHOW_ERROR_MESSAGES,
                              "Error mapping DMA address\n");