pciehp - fix wrong return value
This patch fixes the problem that trying to enable already enabled
slot disables the slot by returning the proper value from
pciehp_enable_slot()/pciehp_disable_slot().
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 33d1987..41290a1 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -762,14 +762,14 @@
if (rc || !getstatus) {
info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -ENODEV;
}
if (MRL_SENS(p_slot->ctrl->ctrlcap)) {
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) {
info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -ENODEV;
}
}
@@ -778,7 +778,7 @@
if (rc || getstatus) {
info("%s: already enabled on slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -EINVAL;
}
}
mutex_unlock(&p_slot->ctrl->crit_sect);
@@ -813,7 +813,7 @@
if (ret || !getstatus) {
info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -ENODEV;
}
}
@@ -822,7 +822,7 @@
if (ret || getstatus) {
info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -ENODEV;
}
}
@@ -831,7 +831,7 @@
if (ret || !getstatus) {
info("%s: already disabled slot(%x)\n", __FUNCTION__, p_slot->number);
mutex_unlock(&p_slot->ctrl->crit_sect);
- return 1;
+ return -EINVAL;
}
}