>>> Kristen Accardi <[email protected]> 28.04.06 19:38 >>>
>On Fri, 2006-04-28 at 16:59 +0200, Jan Beulich wrote:
>> Clean up the recovery path from errors during pcie_init().
>>
>It's possible that this driver never actually requested an irq if was in
>poll mode. Then you will call free_irq, when what you really want to do
>is kill the timer that may have been started.
Thanks for pointing this out, here's the updated patch:
Clean up the recovery path from errors during pcie_init().
Signed-off-by: Jan Beulich <[email protected]>
--- /home/jbeulich/tmp/linux-2.6.17-rc3/drivers/pci/hotplug/pciehp_hpc.c 2006-04-27 17:49:41.000000000 +0200
+++ 2.6.17-rc3-pciehp-init-recovery/drivers/pci/hotplug/pciehp_hpc.c 2006-04-28 09:20:55.000000000 +0200
@@ -1474,7 +1474,7 @@ int pcie_init(struct controller * ctrl,
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;
@@ -1500,19 +1500,19 @@ int pcie_init(struct controller * ctrl,
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) {
@@ -1521,7 +1521,7 @@ int pcie_init(struct controller * ctrl,
} 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 */
@@ -1548,6 +1548,21 @@ int pcie_init(struct controller * ctrl,
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);
-
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