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| author | MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com> | 2006-03-22 14:49:33 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-19 14:13:22 -0700 |
| commit | cde0e5d722c77d1194f40de54a99c90afe365480 (patch) | |
| tree | 4c569d32f7ff40010e97a1a133bfbabed69e2b7d /drivers/pci | |
| parent | c14424736e76f3d8477a41de531e6b5dcce3d5b0 (diff) | |
| download | kernel_samsung_espresso10-cde0e5d722c77d1194f40de54a99c90afe365480.zip kernel_samsung_espresso10-cde0e5d722c77d1194f40de54a99c90afe365480.tar.gz kernel_samsung_espresso10-cde0e5d722c77d1194f40de54a99c90afe365480.tar.bz2 | |
[PATCH] acpiphp: turn off slot power at error case
When acpiphp_enable_slot() is failed, acpiphp does not change
the slot->flags. Therefore, when user tries to read power
status, acpiphp_get_power_status() returns the enable status
whether the slot is not really enabled.
This patch fixes this BUG.
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index bbe27c1..610a530 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -1592,9 +1592,15 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot) if (retval) goto err_exit; - if (get_slot_status(slot) == ACPI_STA_ALL) + if (get_slot_status(slot) == ACPI_STA_ALL) { /* configure all functions */ retval = enable_device(slot); + if (retval) + power_off_slot(slot); + } else { + dbg("%s: Slot status is not ACPI_STA_ALL\n", __FUNCTION__); + power_off_slot(slot); + } err_exit: mutex_unlock(&slot->crit_sect); |