On Saturday 18 August 2007, Sergei Shtylyov wrote:
> The driver erroneously "lets go" the mate IDE chip in init_setup_pdc20270()
> when ide_setup_pci_devices() call succeeds -- fix this, and drop a couple of
> useless assignments in this function while at it...
>
> Signed-off-by: Sergei Shtylyov <[EMAIL PROTECTED]>
applied but
> ---
> This patch is against the current Linus' tree, it has only been compile tested
> since I do not have PDC2027x chips (and even less so behind DC21150 bridge
> :-).
>
> drivers/ide/pci/pdc202xx_new.c | 9 +++++----
> 1 files changed, 5 insertions(+), 4 deletions(-)
>
> Index: linux-2.6/drivers/ide/pci/pdc202xx_new.c
> ===================================================================
> --- linux-2.6.orig/drivers/ide/pci/pdc202xx_new.c
> +++ linux-2.6/drivers/ide/pci/pdc202xx_new.c
> @@ -9,7 +9,7 @@
> * Split from:
> * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
> * Copyright (C) 1998-2002 Andre Hedrick <[EMAIL PROTECTED]>
> - * Copyright (C) 2005-2006 MontaVista Software, Inc.
> + * Copyright (C) 2005-2007 MontaVista Software, Inc.
> * Portions Copyright (C) 1999 Promise Technology, Inc.
> * Author: Frank Tiernan ([EMAIL PROTECTED])
> * Released under terms of General Public License
> @@ -521,7 +521,7 @@ static int __devinit init_setup_pdcnew(s
> static int __devinit init_setup_pdc20270(struct pci_dev *dev,
> ide_pci_device_t *d)
> {
> - struct pci_dev *findev = NULL;
> + struct pci_dev *findev;
drivers/ide/pci/pdc202xx_new.c: In function ‘init_setup_pdc20270’:
drivers/ide/pci/pdc202xx_new.c:530: warning: ‘findev’ may be used uninitialized
in this function
with gcc version 4.1.2 20070626 (Red Hat 4.1.2-13)
Seems to be gcc problem but I reverted this chunk.
Update: after applying patch #2/2 and fixing the reject caused by the above
change
warning disappears (patch #2/2 besides renaming "findev" to "dev2" moves the
code
around making it easier for gcc to deduce what is going on :).
> int ret;
>
> if ((dev->bus->self &&
> @@ -529,7 +529,7 @@ static int __devinit init_setup_pdc20270
> (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
> if (PCI_SLOT(dev->devfn) & 2)
> return -ENODEV;
> - d->extra = 0;
> +
> while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID,
> findev)) != NULL) {
> if ((findev->vendor == dev->vendor) &&
> (findev->device == dev->device) &&
> @@ -538,7 +538,8 @@ static int __devinit init_setup_pdc20270
> findev->irq = dev->irq;
> }
> ret = ide_setup_pci_devices(dev, findev, d);
> - pci_dev_put(findev);
> + if (ret < 0)
> + pci_dev_put(findev);
> return ret;
> }
> }
-
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