From: Thomas Klein Date: Wed, 6 Jun 2007 18:53:16 +0000 (+0200) Subject: ehea: Fixed possible kernel panic on VLAN packet recv X-Git-Tag: v2.6.22-rc5~44^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dec590c1bb05c1553b68cab7aa3ea36d77e7f9a3;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: Jeff Garzik --- 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 #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);