redonkable/remarkable-linux
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RDMA/nes: Don't generate async events for unregistered devices

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nes_port_ibevent() should not be called when the nes RDMA device is not
registered with the RDMA core.  Add missing checks of of_device_registered flag.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Maciej Sosnowski 2011-02-03 15:55:26 -08:00 committed by Roland Dreier
parent 831d52bc15
commit 25a54a6bb8
1 changed files with 20 additions and 12 deletions
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32
drivers/infiniband/hw/nes/nes_hw.c
View file

@ -2610,9 +2610,11 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
netif_carrier_on(nesvnic->netdev);
spin_lock(&nesvnic->port_ibevent_lock);
if (nesdev->iw_status == 0) {
nesdev->iw_status = 1;
nes_port_ibevent(nesvnic);
if (nesvnic->of_device_registered) {
if (nesdev->iw_status == 0) {
nesdev->iw_status = 1;
nes_port_ibevent(nesvnic);
}
}
spin_unlock(&nesvnic->port_ibevent_lock);
}
@ -2642,9 +2644,11 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
netif_carrier_off(nesvnic->netdev);
spin_lock(&nesvnic->port_ibevent_lock);
if (nesdev->iw_status == 1) {
nesdev->iw_status = 0;
nes_port_ibevent(nesvnic);
if (nesvnic->of_device_registered) {
if (nesdev->iw_status == 1) {
nesdev->iw_status = 0;
nes_port_ibevent(nesvnic);
}
}
spin_unlock(&nesvnic->port_ibevent_lock);
}
@ -2703,9 +2707,11 @@ void nes_recheck_link_status(struct work_struct *work)
netif_carrier_on(nesvnic->netdev);
spin_lock(&nesvnic->port_ibevent_lock);
if (nesdev->iw_status == 0) {
nesdev->iw_status = 1;
nes_port_ibevent(nesvnic);
if (nesvnic->of_device_registered) {
if (nesdev->iw_status == 0) {
nesdev->iw_status = 1;
nes_port_ibevent(nesvnic);
}
}
spin_unlock(&nesvnic->port_ibevent_lock);
}
@ -2723,9 +2729,11 @@ void nes_recheck_link_status(struct work_struct *work)
netif_carrier_off(nesvnic->netdev);
spin_lock(&nesvnic->port_ibevent_lock);
if (nesdev->iw_status == 1) {
nesdev->iw_status = 0;
nes_port_ibevent(nesvnic);
if (nesvnic->of_device_registered) {
if (nesdev->iw_status == 1) {
nesdev->iw_status = 0;
nes_port_ibevent(nesvnic);
}
}
spin_unlock(&nesvnic->port_ibevent_lock);
}