[KJ] [PATCH] ioremap balance with iounmap for drivers/net

Amol Lad amol at verismonetworks.com
Sun Sep 24 21:19:22 PDT 2006


> 1) linux-net is a *user* list. you should have mailed netdev at ...
Thanks.. I'll post it to net-dev

> 2) e1000 already contains that change. Did you base your work on jgarzik's 
> upstream tree?
I used latest 2.6.18

> 3) your patch includes utsrelease.h!
This was discussed sometime back on this list, I believe. The file
should be included in dontdiff but due to som reason it's not there...I
never touch this file but still it's always there in the patch...
> 
> I suggest that you repost it to netdev.
Thanks again..

> 
> Cheers,
> 
> Auke
> 
> 
> 
> > 
> > Tested (compilation only) with:
> > - allmodconfig
> > - Modifying drivers/net/Kconfig to make sure that the changed file is
> > compiling without warning
> > 
> > Signed-off-by: Amol Lad <amol at verismonetworks.com>
> > 
> > ---
> > I'm not subsribed to linux-net so please cc me.
> > 
> > ---
> >  drivers/net/e1000/e1000_main.c            |    3 ++-
> >  drivers/net/e2100.c                       |    2 ++
> >  drivers/net/es3210.c                      |    2 ++
> >  drivers/net/fs_enet/mac-fcc.c             |   25 +++++++++++++++++++++----
> >  drivers/net/fs_enet/mii-fec.c             |    4 ++++
> >  drivers/net/ioc3-eth.c                    |    1 +
> >  drivers/net/myri_sbus.c                   |    7 +++++++
> >  drivers/net/pcmcia/ibmtr_cs.c             |    1 +
> >  drivers/net/smc-ultra.c                   |    2 ++
> >  drivers/net/tokenring/ibmtr.c             |   11 +++++++++--
> >  drivers/net/wan/farsync.c                 |    1 +
> >  drivers/net/wd.c                          |    4 +++-
> >  drivers/net/wireless/ipw2100.c            |    3 +++
> >  drivers/net/wireless/prism54/islpci_dev.c |    2 ++
> >  include/linux/utsrelease.h                |    1 +
> >  15 files changed, 61 insertions(+), 8 deletions(-)
> > ---
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/e1000/e1000_main.c linux-2.6.18/drivers/net/e1000/e1000_main.c
> > --- linux-2.6.18-orig/drivers/net/e1000/e1000_main.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/e1000/e1000_main.c	2006-09-22 12:15:16.000000000 +0530
> > @@ -830,7 +830,8 @@ e1000_probe(struct pci_dev *pdev,
> >  
> >  	if (e1000_init_eeprom_params(&adapter->hw)) {
> >  		E1000_ERR("EEPROM initialization failed\n");
> > -		return -EIO;
> > +		err = -EIO;
> > +		goto err_eeprom;
> >  	}
> >  
> >  	/* before reading the EEPROM, reset the controller to
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/e2100.c linux-2.6.18/drivers/net/e2100.c
> > --- linux-2.6.18-orig/drivers/net/e2100.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/e2100.c	2006-09-22 12:16:18.000000000 +0530
> > @@ -279,6 +279,8 @@ static int __init e21_probe1(struct net_
> >  		goto out;
> >  	return 0;
> >  out:
> > +	if (ei_status.mem)
> > +		iounmap(ei_status.mem);
> >  	release_region(ioaddr, E21_IO_EXTENT);
> >  	return retval;
> >  }
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/es3210.c linux-2.6.18/drivers/net/es3210.c
> > --- linux-2.6.18-orig/drivers/net/es3210.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/es3210.c	2006-09-22 12:18:22.000000000 +0530
> > @@ -306,6 +306,8 @@ static int __init es_probe1(struct net_d
> >  out1:
> >  	free_irq(dev->irq, dev);
> >  out:
> > +	if (ei_status.mem)
> > +		iounmap(ei_status.mem);
> >  	release_region(ioaddr + ES_SA_PROM, ES_IO_EXTENT);
> >  	return retval;
> >  }
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/fs_enet/mac-fcc.c linux-2.6.18/drivers/net/fs_enet/mac-fcc.c
> > --- linux-2.6.18-orig/drivers/net/fs_enet/mac-fcc.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/fs_enet/mac-fcc.c	2006-09-22 18:46:46.000000000 +0530
> > @@ -129,8 +129,10 @@ static int do_pd_setup(struct fs_enet_pr
> >  
> >  	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_regs");
> >  	fep->fcc.fccp = (void *)ioremap(r->start, r->end - r->start + 1);
> > -	if (fep->fcc.fccp == NULL)
> > +	if (fep->fcc.fccp == NULL) {
> > +		iounmap(fep->fcc.ep);
> >  		return -EINVAL;
> > +	}
> >  
> >  	if (fep->fpi->fcc_regs_c) {
> >  
> > @@ -142,12 +144,20 @@ static int do_pd_setup(struct fs_enet_pr
> >  				r->end - r->start + 1);
> >  	}
> >  
> > -	if (fep->fcc.fcccp == NULL)
> > +	if (fep->fcc.fcccp == NULL) {
> > +		iounmap(fep->fcc.ep);
> > +		iounmap(fep->fcc.fccp);
> >  		return -EINVAL;
> > +	}
> >  
> >  	fep->fcc.mem = (void *)fep->fpi->mem_offset;
> > -	if (fep->fcc.mem == NULL)
> > +	if (fep->fcc.mem == NULL) {
> > +		iounmap(fep->fcc.ep);
> > +		iounmap(fep->fcc.fccp);
> > +		if (!fep->fpi->fcc_regs_c)
> > +			iounmap(fep->fcc.fcccp);
> >  		return -EINVAL;
> > +	}
> >  
> >  	return 0;
> >  }
> > @@ -205,7 +215,14 @@ static void free_bd(struct net_device *d
> >  
> >  static void cleanup_data(struct net_device *dev)
> >  {
> > -	/* nothing */
> > +	struct fs_enet_private *fep = netdev_priv(dev);
> > +
> > +	if (fep->fcc.ep)
> > +		iounmap(fep->fcc.ep);
> > +	if (fep->fcc.fccp)
> > +		iounmap(fep->fcc.fccp);
> > +	if (!fep->fpi->fcc_regs_c && fep->fcc.fcccp)
> > +		iounmap(fep->fcc.fcccp);
> >  }
> >  
> >  static void set_promiscuous_mode(struct net_device *dev)
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/fs_enet/mii-fec.c linux-2.6.18/drivers/net/fs_enet/mii-fec.c
> > --- linux-2.6.18-orig/drivers/net/fs_enet/mii-fec.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/fs_enet/mii-fec.c	2006-09-22 12:42:12.000000000 +0530
> > @@ -212,9 +212,13 @@ bus_register_fail:
> >  static int fs_enet_fec_mdio_remove(struct device *dev)
> >  {
> >  	struct mii_bus *bus = dev_get_drvdata(dev);
> > +	struct fec_info *fec = (struct fec_info *) bus->priv;
> >  
> >  	mdiobus_unregister(bus);
> >  
> > +	if (fec && fec->fecp)
> > +		iounmap(fec->fecp);		
> > +
> >  	dev_set_drvdata(dev, NULL);
> >  	kfree(bus->priv);
> >  
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/ioc3-eth.c linux-2.6.18/drivers/net/ioc3-eth.c
> > --- linux-2.6.18-orig/drivers/net/ioc3-eth.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/ioc3-eth.c	2006-09-22 16:27:34.000000000 +0530
> > @@ -1314,6 +1314,7 @@ static int ioc3_probe(struct pci_dev *pd
> >  	return 0;
> >  
> >  out_stop:
> > +	iounmap(ioc3);
> >  	ioc3_stop(ip);
> >  	ioc3_free_rings(ip);
> >  out_res:
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/myri_sbus.c linux-2.6.18/drivers/net/myri_sbus.c
> > --- linux-2.6.18-orig/drivers/net/myri_sbus.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/myri_sbus.c	2006-09-22 17:59:16.000000000 +0530
> > @@ -1107,6 +1107,13 @@ static int __init myri_ether_init(struct
> >  err_free_irq:
> >  	free_irq(dev->irq, dev);
> >  err:
> > +	if (mp->eeprom.cpuvers < CPUVERS_4_0) {
> > +		sbus_iounmap(mp->regs, mp->reg_size);
> > +	} else {
> > +		sbus_iounmap(mp->cregs, PAGE_SIZE);
> > +		sbus_iounmap(mp->lregs, (256 * 1024));
> > +		sbus_iounmap(mp->lanai, (512 * 1024));
> > +	}
> >  	/* This will also free the co-allocated 'dev->priv' */
> >  	free_netdev(dev);
> >  	return -ENODEV;
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/pcmcia/ibmtr_cs.c linux-2.6.18/drivers/net/pcmcia/ibmtr_cs.c
> > --- linux-2.6.18-orig/drivers/net/pcmcia/ibmtr_cs.c	2006-08-24 02:46:33.000000000 +0530
> > +++ linux-2.6.18/drivers/net/pcmcia/ibmtr_cs.c	2006-09-22 18:06:31.000000000 +0530
> > @@ -320,6 +320,7 @@ static int ibmtr_config(struct pcmcia_de
> >  cs_failed:
> >      cs_error(link, last_fn, last_ret);
> >  failed:
> > +    iounmap(ti->sram_virt);
> >      ibmtr_release(link);
> >      return -ENODEV;
> >  } /* ibmtr_config */
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/smc-ultra.c linux-2.6.18/drivers/net/smc-ultra.c
> > --- linux-2.6.18-orig/drivers/net/smc-ultra.c	2006-09-21 10:15:36.000000000 +0530
> > +++ linux-2.6.18/drivers/net/smc-ultra.c	2006-09-22 16:48:53.000000000 +0530
> > @@ -313,6 +313,8 @@ static int __init ultra_probe1(struct ne
> >  		goto out;
> >  	return 0;
> >  out:
> > +	if (ei_status.mem)
> > +		iounmap(ei_status.mem);
> >  	release_region(ioaddr, ULTRA_IO_EXTENT);
> >  	return retval;
> >  }
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/tokenring/ibmtr.c linux-2.6.18/drivers/net/tokenring/ibmtr.c
> > --- linux-2.6.18-orig/drivers/net/tokenring/ibmtr.c	2006-09-21 10:15:37.000000000 +0530
> > +++ linux-2.6.18/drivers/net/tokenring/ibmtr.c	2006-09-22 17:10:17.000000000 +0530
> > @@ -263,14 +263,20 @@ static void __devinit find_turbo_adapter
> >  		chanid=(CHANNEL_ID + ram_mapped);
> >  		tchanid=pcchannelid;
> >  		ctemp=readb(chanid) & 0x0f;
> > -		if (ctemp != *tchanid) continue;
> > +		if (ctemp != *tchanid) {
> > +			iounmap(ram_mapped);
> > +			continue;
> > +		}
> >  		for (i=2,j=1; i<=46; i=i+2,j++) {
> >  			if ((readb(chanid+i) & 0x0f) != tchanid[j]){
> >  				found_turbo=0;
> >  				break;
> >  			}
> >  		}
> > -		if (!found_turbo) continue;
> > +		if (!found_turbo) {
> > +			iounmap(ram_mapped);
> > +			continue;
> > +		}
> >  
> >  		writeb(0x90, ram_mapped+0x1E01);
> >  		for(i=2; i<0x0f; i++) {
> > @@ -295,6 +301,7 @@ static void __devinit find_turbo_adapter
> >  			for(jif=jiffies+TR_RST_TIME;time_before_eq(jiffies,jif););
> >  			outb(0, turbo_io[index] + ADAPTRESETREL);
> >  			index++;
> > +			iounmap(ram_mapped);
> >  			continue;
> >  		}
> >  #if IBMTR_DEBUG_MESSAGES 
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/wan/farsync.c linux-2.6.18/drivers/net/wan/farsync.c
> > --- linux-2.6.18-orig/drivers/net/wan/farsync.c	2006-09-21 10:15:37.000000000 +0530
> > +++ linux-2.6.18/drivers/net/wan/farsync.c	2006-09-22 17:16:06.000000000 +0530
> > @@ -2513,6 +2513,7 @@ fst_add_one(struct pci_dev *pdev, const 
> >  		printk_err("Control memory remap failed\n");
> >  		pci_release_regions(pdev);
> >  		pci_disable_device(pdev);
> > +		iounmap(card->mem);
> >  		kfree(card);
> >  		return -ENODEV;
> >  	}
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/wd.c linux-2.6.18/drivers/net/wd.c
> > --- linux-2.6.18-orig/drivers/net/wd.c	2006-09-21 10:15:37.000000000 +0530
> > +++ linux-2.6.18/drivers/net/wd.c	2006-09-22 17:19:45.000000000 +0530
> > @@ -346,8 +346,10 @@ static int __init wd_probe1(struct net_d
> >  #endif
> >  
> >  	err = register_netdev(dev);
> > -	if (err)
> > +	if (err) {
> > +		iounmap(ei_status.mem);
> >  		free_irq(dev->irq, dev);
> > +	}
> >  	return err;
> >  }
> >  
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/wireless/ipw2100.c linux-2.6.18/drivers/net/wireless/ipw2100.c
> > --- linux-2.6.18-orig/drivers/net/wireless/ipw2100.c	2006-09-21 10:15:37.000000000 +0530
> > +++ linux-2.6.18/drivers/net/wireless/ipw2100.c	2006-09-22 18:41:20.000000000 +0530
> > @@ -6174,6 +6174,7 @@ static int ipw2100_pci_init_one(struct p
> >  	if (err) {
> >  		printk(KERN_WARNING DRV_NAME
> >  		       "Error calling pci_enable_device.\n");
> > +		iounmap(base_addr);
> >  		return err;
> >  	}
> >  
> > @@ -6187,6 +6188,7 @@ static int ipw2100_pci_init_one(struct p
> >  		printk(KERN_WARNING DRV_NAME
> >  		       "Error calling pci_set_dma_mask.\n");
> >  		pci_disable_device(pci_dev);
> > +		iounmap(base_addr);
> >  		return err;
> >  	}
> >  
> > @@ -6195,6 +6197,7 @@ static int ipw2100_pci_init_one(struct p
> >  		printk(KERN_WARNING DRV_NAME
> >  		       "Error calling pci_request_regions.\n");
> >  		pci_disable_device(pci_dev);
> > +		iounmap(base_addr);
> >  		return err;
> >  	}
> >  
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/drivers/net/wireless/prism54/islpci_dev.c linux-2.6.18/drivers/net/wireless/prism54/islpci_dev.c
> > --- linux-2.6.18-orig/drivers/net/wireless/prism54/islpci_dev.c	2006-08-24 02:46:33.000000000 +0530
> > +++ linux-2.6.18/drivers/net/wireless/prism54/islpci_dev.c	2006-09-22 17:25:27.000000000 +0530
> > @@ -656,6 +656,8 @@ islpci_alloc_memory(islpci_private *priv
> >  		/* error allocating the block of PCI memory */
> >  		printk(KERN_ERR "%s: could not allocate DMA memory, aborting!",
> >  		       "prism54");
> > +		iounmap(priv->device_base);
> > +		priv->device_base = NULL;
> >  		return -1;
> >  	}
> >  
> > diff -uprN -X linux-2.6.18-orig/Documentation/dontdiff linux-2.6.18-orig/include/linux/utsrelease.h linux-2.6.18/include/linux/utsrelease.h
> > --- linux-2.6.18-orig/include/linux/utsrelease.h	1970-01-01 05:30:00.000000000 +0530
> > +++ linux-2.6.18/include/linux/utsrelease.h	2006-09-22 17:28:42.000000000 +0530
> > @@ -0,0 +1 @@
> > +#define UTS_RELEASE "2.6.18"
> > 
> > 
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-net" in
> > the body of a message to majordomo at vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 
> 




More information about the Kernel-janitors mailing list