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authorThomas Klein <osstklei@de.ibm.com>2007-06-06 20:53:16 +0200
committerJeff Garzik <jeff@garzik.org>2007-06-09 18:25:35 -0400
commitdec590c1bb05c1553b68cab7aa3ea36d77e7f9a3 (patch)
tree21dc9d1744e99a4291986e28036da0713a4a0616 /drivers/net/ehea
parent0d04761d17976ce560a22d9a21af575cd0d1bc21 (diff)
downloadop-kernel-dev-dec590c1bb05c1553b68cab7aa3ea36d77e7f9a3.zip
op-kernel-dev-dec590c1bb05c1553b68cab7aa3ea36d77e7f9a3.tar.gz
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')
-rw-r--r--drivers/net/ehea/ehea.h2
-rw-r--r--drivers/net/ehea/ehea_main.c12
2 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index e85a933..c0f81b5 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -39,7 +39,7 @@
#include <asm/io.h>
#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0061"
+#define DRV_VERSION "EHEA_0064"
#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \
| NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 152bb20..9e13433 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);
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