diff --git a/drivers/isdn/hardware/avm/b1pci.c b/drivers/isdn/hardware/avm/b1pci.c
index c97e431..b305e6b 100644
--- a/drivers/isdn/hardware/avm/b1pci.c
+++ b/drivers/isdn/hardware/avm/b1pci.c
@@ -1,9 +1,9 @@
 /* $Id: b1pci.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
- * 
+ *
  * Module for AVM B1 PCI-card.
- * 
+ *
  * Copyright 1999 by Carsten Paeth <calle@calle.de>
- * 
+ *
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.
  *
@@ -79,7 +79,7 @@
 	card->port = p->port;
 	card->irq = p->irq;
 	card->cardtype = avm_b1pci;
-	
+
 	if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
 		printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n",
 		       card->port, card->port + AVMB1_PORTLEN);
@@ -96,14 +96,14 @@
 	}
 	b1_reset(card->port);
 	b1_getrevision(card);
-	
+
 	retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card);
 	if (retval) {
 		printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", card->irq);
 		retval = -EBUSY;
 		goto err_release_region;
 	}
-	
+
 	cinfo->capi_ctrl.driver_name   = "b1pci";
 	cinfo->capi_ctrl.driverdata    = cinfo;
 	cinfo->capi_ctrl.register_appl = b1_register_appl;
@@ -133,13 +133,13 @@
 	pci_set_drvdata(pdev, card);
 	return 0;
 
- err_free_irq:
+err_free_irq:
 	free_irq(card->irq, card);
- err_release_region:
+err_release_region:
 	release_region(card->port, AVMB1_PORTLEN);
- err_free:
+err_free:
 	b1_free_card(card);
- err:
+err:
 	return retval;
 }
 
@@ -193,7 +193,7 @@
 		goto err;
 	}
 
-        card->dma = avmcard_dma_alloc("b1pci", pdev, 2048+128, 2048+128);
+	card->dma = avmcard_dma_alloc("b1pci", pdev, 2048 + 128, 2048 + 128);
 	if (!card->dma) {
 		printk(KERN_WARNING "b1pci: dma alloc.\n");
 		retval = -ENOMEM;
@@ -267,17 +267,17 @@
 	pci_set_drvdata(pdev, card);
 	return 0;
 
- err_free_irq:
+err_free_irq:
 	free_irq(card->irq, card);
- err_unmap:
+err_unmap:
 	iounmap(card->mbase);
- err_release_region:
+err_release_region:
 	release_region(card->port, AVMB1_PORTLEN);
- err_free_dma:
+err_free_dma:
 	avmcard_dma_free(card->dma);
- err_free:
+err_free:
 	b1_free_card(card);
- err:
+err:
 	return retval;
 
 }
@@ -287,13 +287,13 @@
 	avmcard *card = pci_get_drvdata(pdev);
 	avmctrl_info *cinfo = card->ctrlinfo;
 
- 	b1dma_reset(card);
+	b1dma_reset(card);
 
 	detach_capi_ctr(&cinfo->capi_ctrl);
 	free_irq(card->irq, card);
 	iounmap(card->mbase);
 	release_region(card->port, AVMB1_PORTLEN);
-        avmcard_dma_free(card->dma);
+	avmcard_dma_free(card->dma);
 	b1_free_card(card);
 }
 
@@ -326,7 +326,7 @@
 		retval = b1pci_probe(&param, pdev);
 #endif
 		if (retval != 0) {
-		        printk(KERN_ERR "b1pci: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n",
+			printk(KERN_ERR "b1pci: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n",
 			       param.port, param.irq, param.membase);
 		}
 	} else {
@@ -337,7 +337,7 @@
 		       param.port, param.irq);
 		retval = b1pci_probe(&param, pdev);
 		if (retval != 0) {
-		        printk(KERN_ERR "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n",
+			printk(KERN_ERR "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n",
 			       param.port, param.irq);
 		}
 	}
@@ -385,7 +385,7 @@
 	if ((p = strchr(revision, ':')) != NULL && p[1]) {
 		strlcpy(rev, p + 2, 32);
 		if ((p = strchr(rev, '$')) != NULL && p > rev)
-		   *(p-1) = 0;
+			*(p - 1) = 0;
 	} else
 		strcpy(rev, "1.0");