drivers/net/irda: endianness, NULL noise

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index 808939b..0b76919 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -464,7 +464,7 @@
 	}
 
 	fcs = ~(crc32_le(~0, buf, new_len));
-	if(fcs != le32_to_cpu(get_unaligned((u32 *)(buf+new_len)))) {
+	if(fcs != le32_to_cpu(get_unaligned((__le32 *)(buf+new_len)))) {
 		IRDA_ERROR("crc error calc 0x%x len %d\n", fcs, new_len);
 		mcs->stats.rx_errors++;
 		mcs->stats.rx_crc_errors++;
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index bbe4e09..6078e03 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -414,7 +414,7 @@
 int sirdev_set_dtr_rts(struct sir_dev *dev, int dtr, int rts)
 {
 	int ret = -ENXIO;
-	if (dev->drv->set_dtr_rts != 0)
+	if (dev->drv->set_dtr_rts)
 		ret =  dev->drv->set_dtr_rts(dev, dtr, rts);
 	return ret;
 }
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 1afaee0..042bc2f 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -332,7 +332,7 @@
 	}
 
 	fcs = ~(crc32_le(~0, rx_buff->data, len));
-	if (fcs != le32_to_cpu(get_unaligned((u32 *)(rx_buff->data+len)))) {
+	if (fcs != le32_to_cpu(get_unaligned((__le32 *)(rx_buff->data+len)))) {
 		pr_debug("crc error calc 0x%x len %d\n", fcs, len);
 		stir->stats.rx_errors++;
 		stir->stats.rx_crc_errors++;
diff --git a/drivers/net/irda/vlsi_ir.h b/drivers/net/irda/vlsi_ir.h
index ca12a60..c8b9c74 100644
--- a/drivers/net/irda/vlsi_ir.h
+++ b/drivers/net/irda/vlsi_ir.h
@@ -537,10 +537,10 @@
  */
 
 struct ring_descr_hw {
-	volatile u16	rd_count;	/* tx/rx count [11:0] */
-	u16		reserved;
+	volatile __le16	rd_count;	/* tx/rx count [11:0] */
+	__le16		reserved;
 	union {
-		u32	addr;		/* [23:0] of the buffer's busaddress */
+		__le32	addr;		/* [23:0] of the buffer's busaddress */
 		struct {
 			u8		addr_res[3];
 			volatile u8	status;		/* descriptor status */