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[PATCH] CCISS: disable device when returning failure
If something fails after we call pci_enable_device(), we should call pci_disable_device() before returning the failure. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Jeff Garzik <jeff@garzik.org> Acked-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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parent
e7b6905582
commit
c33ac89bc7
1 changed files with 18 additions and 9 deletions
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@ -2744,7 +2744,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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__u64 cfg_offset;
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__u32 cfg_base_addr;
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__u64 cfg_base_addr_index;
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int i;
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int i, err;
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/* check to see if controller has been disabled */
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/* BEFORE trying to enable it */
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@ -2752,13 +2752,14 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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if(!(command & 0x02))
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{
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printk(KERN_WARNING "cciss: controller appears to be disabled\n");
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return(-1);
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return -ENODEV;
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}
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if (pci_enable_device(pdev))
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err = pci_enable_device(pdev);
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if (err)
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{
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printk(KERN_ERR "cciss: Unable to Enable PCI device\n");
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return( -1);
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return err;
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}
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subsystem_vendor_id = pdev->subsystem_vendor;
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@ -2824,7 +2825,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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}
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if (scratchpad != CCISS_FIRMWARE_READY) {
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printk(KERN_WARNING "cciss: Board not ready. Timed out.\n");
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return -1;
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err = -ENODEV;
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goto err_out_disable_pdev;
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}
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/* get the address index number */
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@ -2841,7 +2843,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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if (cfg_base_addr_index == -1) {
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printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n");
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release_io_mem(c);
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return -1;
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err = -ENODEV;
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goto err_out_disable_pdev;
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}
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cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET);
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@ -2868,7 +2871,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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printk(KERN_WARNING "cciss: Sorry, I don't know how"
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" to access the Smart Array controller %08lx\n",
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(unsigned long)board_id);
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return -1;
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err = -ENODEV;
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goto err_out_disable_pdev;
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}
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if ( (readb(&c->cfgtable->Signature[0]) != 'C') ||
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(readb(&c->cfgtable->Signature[1]) != 'I') ||
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@ -2876,7 +2880,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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(readb(&c->cfgtable->Signature[3]) != 'S') )
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{
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printk("Does not appear to be a valid CISS config table\n");
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return -1;
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err = -ENODEV;
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goto err_out_disable_pdev;
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}
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#ifdef CONFIG_X86
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@ -2920,10 +2925,14 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
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{
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printk(KERN_WARNING "cciss: unable to get board into"
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" simple mode\n");
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return -1;
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err = -ENODEV;
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goto err_out_disable_pdev;
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}
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return 0;
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err_out_disable_pdev:
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pci_disable_device(pdev);
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return err;
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}
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/*
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