diff options
| author | Thomas Klein <osstklei@de.ibm.com> | 2007-06-06 20:53:16 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-06-09 18:25:35 -0400 |
| commit | dec590c1bb05c1553b68cab7aa3ea36d77e7f9a3 (patch) | |
| tree | 21dc9d1744e99a4291986e28036da0713a4a0616 /drivers/net/ehea/ehea_main.c | |
| parent | 0d04761d17976ce560a22d9a21af575cd0d1bc21 (diff) | |
ehea: Fixed possible kernel panic on VLAN packet recv
This patch fixes a possible kernel panic due to not checking the vlan group
when processing received VLAN packets and a malfunction in VLAN/hypervisor
registration.
Signed-off-by: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ehea/ehea_main.c')
| -rw-r--r-- | drivers/net/ehea/ehea_main.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 152bb2016a2..9e13433a268 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -451,7 +451,8 @@ static struct ehea_cqe *ehea_proc_rwqes(struct net_device *dev, processed_rq3++; } - if (cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) + if ((cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) + && port->vgrp) vlan_hwaccel_receive_skb(skb, port->vgrp, cqe->vlan_tag); else @@ -1910,10 +1911,7 @@ static void ehea_vlan_rx_register(struct net_device *dev, goto out; } - if (grp) - memset(cb1->vlan_filter, 0, sizeof(cb1->vlan_filter)); - else - memset(cb1->vlan_filter, 0xFF, sizeof(cb1->vlan_filter)); + memset(cb1->vlan_filter, 0, sizeof(cb1->vlan_filter)); hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, H_PORT_CB1, H_PORT_CB1_ALL, cb1); @@ -1947,7 +1945,7 @@ static void ehea_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) } index = (vid / 64); - cb1->vlan_filter[index] |= ((u64)(1 << (vid & 0x3F))); + cb1->vlan_filter[index] |= ((u64)(0x8000000000000000 >> (vid & 0x3F))); hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, H_PORT_CB1, H_PORT_CB1_ALL, cb1); @@ -1982,7 +1980,7 @@ static void ehea_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) } index = (vid / 64); - cb1->vlan_filter[index] &= ~((u64)(1 << (vid & 0x3F))); + cb1->vlan_filter[index] &= ~((u64)(0x8000000000000000 >> (vid & 0x3F))); hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, H_PORT_CB1, H_PORT_CB1_ALL, cb1); |