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[PATCH] PCI Hotplug: Fix recovery path from errors during pcie_init()

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Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jan Beulich 2006-05-09 00:50:31 -07:00 committed by Greg Kroah-Hartman
parent 9df7fde52c
commit 9c64f97748
1 changed files with 20 additions and 5 deletions
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25
drivers/pci/hotplug/pciehp_hpc.c
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@ -1471,7 +1471,7 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_read_word SLOT_CTRL failed\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort_free_irq;
}
intr_enable = intr_enable | PRSN_DETECT_ENABLE;
@ -1497,19 +1497,19 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_write_word SLOT_CTRL failed\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort_free_irq;
}
rc = hp_register_read_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), slot_status);
if (rc) {
err("%s : hp_register_read_word SLOT_STATUS failed\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort_disable_intr;
}
temp_word = 0x1F; /* Clear all events */
rc = hp_register_write_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_write_word SLOT_STATUS failed\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort_disable_intr;
}
if (pciehp_force) {
@ -1518,7 +1518,7 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
} else {
rc = pciehp_get_hp_hw_control_from_firmware(ctrl->pci_dev);
if (rc)
goto abort_free_ctlr;
goto abort_disable_intr;
}
/* Add this HPC instance into the HPC list */
@ -1545,6 +1545,21 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
return 0;
/* We end up here for the many possible ways to fail this API. */
abort_disable_intr:
rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
if (!rc) {
temp_word &= ~(intr_enable | HP_INTR_ENABLE);
rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
}
if (rc)
err("%s : disabling interrupts failed\n", __FUNCTION__);
abort_free_irq:
if (pciehp_poll_mode)
del_timer_sync(&php_ctlr->int_poll_timer);
else
free_irq(php_ctlr->irq, ctrl);
abort_free_ctlr:
pcie_cap_base = saved_cap_base;
kfree(php_ctlr);