aha1542: clean up cmd variables

Make sure that there's no variable named cmd

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index 1615865..dbe4659 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -124,7 +124,7 @@
    routine does not send something out while we are in the middle of this.
    Fortunately, it is only at boot time that multi-byte messages
    are ever sent. */
-static int aha1542_outb(unsigned int base, u8 cmd)
+static int aha1542_outb(unsigned int base, u8 val)
 {
 	unsigned long flags;
 
@@ -138,13 +138,13 @@
 			spin_unlock_irqrestore(&aha1542_lock, flags);
 			continue;
 		}
-		outb(cmd, DATA(base));
+		outb(val, DATA(base));
 		spin_unlock_irqrestore(&aha1542_lock, flags);
 		return 0;
 	}
 }
 
-static int aha1542_out(unsigned int base, u8 *cmdp, int len)
+static int aha1542_out(unsigned int base, u8 *buf, int len)
 {
 	unsigned long flags;
 
@@ -155,7 +155,7 @@
 			printk(KERN_ERR "aha1542_out failed(%d): ", len + 1);
 			return 1;
 		}
-		outb(*cmdp++, DATA(base));
+		outb(*buf++, DATA(base));
 	}
 	spin_unlock_irqrestore(&aha1542_lock, flags);
 	if (!wait_mask(INTRFLAGS(base), INTRMASK, HACC, 0, 0))
@@ -167,7 +167,7 @@
 /* Only used at boot time, so we do not need to worry about latency as much
    here */
 
-static int aha1542_in(unsigned int base, u8 *cmdp, int len, int timeout)
+static int aha1542_in(unsigned int base, u8 *buf, int len, int timeout)
 {
 	unsigned long flags;
 
@@ -179,7 +179,7 @@
 				printk(KERN_ERR "aha1542_in failed(%d): ", len + 1);
 			return 1;
 		}
-		*cmdp++ = inb(DATA(base));
+		*buf++ = inb(DATA(base));
 	}
 	spin_unlock_irqrestore(&aha1542_lock, flags);
 	return 0;
@@ -244,8 +244,7 @@
 static int aha1542_test_port(int bse, struct Scsi_Host *shpnt)
 {
 	u8 inquiry_result[4];
-	u8 *cmdp;
-	int len;
+	int i;
 
 	/* Quick and dirty test for presence of the card. */
 	if (inb(STATUS(bse)) == 0xff)
@@ -273,13 +272,10 @@
 
 	aha1542_outb(bse, CMD_INQUIRY);
 
-	len = 4;
-	cmdp = &inquiry_result[0];
-
-	while (len--) {
+	for (i = 0; i < 4; i++) {
 		if (!wait_mask(STATUS(bse), DF, DF, 0, 0))
 			return 0;
-		*cmdp++ = inb(DATA(bse));
+		inquiry_result[i] = inb(DATA(bse));
 	}
 
 	/* Reading port should reset DF */
@@ -463,7 +459,6 @@
 {
 	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
 	u8 direction;
-	u8 *cmd = (u8 *) SCpnt->cmnd;
 	u8 target = SCpnt->device->id;
 	u8 lun = SCpnt->device->lun;
 	unsigned long flags;
@@ -480,28 +475,28 @@
 	    }
 	);
 
-	if (*cmd == REQUEST_SENSE) {
+	if (*SCpnt->cmnd == REQUEST_SENSE) {
 		/* Don't do the command - we have the sense data already */
 		SCpnt->result = 0;
 		done(SCpnt);
 		return 0;
 	}
 #ifdef DEBUG
-	if (*cmd == READ_10 || *cmd == WRITE_10)
-		i = xscsi2int(cmd + 2);
-	else if (*cmd == READ_6 || *cmd == WRITE_6)
-		i = scsi2int(cmd + 2);
+	if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == WRITE_10)
+		i = xscsi2int(SCpnt->cmnd + 2);
+	else if (*SCpnt->cmnd == READ_6 || *SCpnt->cmnd == WRITE_6)
+		i = scsi2int(SCpnt->cmnd + 2);
 	else
 		i = -1;
 	if (done)
-		printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
+		printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
 	else
-		printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
+		printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
 	printk(KERN_DEBUG "aha1542_queuecommand: dumping scsi cmd:");
 	for (i = 0; i < SCpnt->cmd_len; i++)
-		printk("%02x ", cmd[i]);
+		printk("%02x ", SCpnt->cmnd[i]);
 	printk("\n");
-	if (*cmd == WRITE_10 || *cmd == WRITE_6)
+	if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
 		return 0;	/* we are still testing, so *don't* write */
 #endif
 	/* Use the outgoing mailboxes in a round-robin fashion, because this
@@ -540,12 +535,12 @@
 	ccb[mbo].cdblen = SCpnt->cmd_len;
 
 	direction = 0;
-	if (*cmd == READ_10 || *cmd == READ_6)
+	if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == READ_6)
 		direction = 8;
-	else if (*cmd == WRITE_10 || *cmd == WRITE_6)
+	else if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
 		direction = 16;
 
-	memcpy(ccb[mbo].cdb, cmd, ccb[mbo].cdblen);
+	memcpy(ccb[mbo].cdb, SCpnt->cmnd, ccb[mbo].cdblen);
 
 	if (bufflen) {
 		struct scatterlist *sg;
@@ -617,15 +612,15 @@
 	struct mailbox *mb = aha1542->mb;
 	struct ccb *ccb = aha1542->ccb;
 
-	u8 cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
+	u8 mb_cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
 
 	for (i = 0; i < AHA1542_MAILBOXES; i++) {
 		mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
 		any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
 	};
 	aha1542_intr_reset(bse);	/* reset interrupts, so they don't block */
-	any2scsi((cmd + 2), isa_virt_to_bus(mb));
-	if (aha1542_out(bse, cmd, 5))
+	any2scsi((mb_cmd + 2), isa_virt_to_bus(mb));
+	if (aha1542_out(bse, mb_cmd, 5))
 		printk(KERN_ERR "aha1542_detect: failed setting up mailboxes\n");
 	aha1542_intr_reset(bse);
 }