mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-02 16:44:10 +08:00
trivial: MPT fusion - remove long dead code
This triggers false bug reports as it does a bogus kmalloc with locks held but is never really compiled into the kernel. Closes #8329 Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
8638545c36
commit
54e7ff9d62
@ -77,12 +77,6 @@ MODULE_VERSION(my_VERSION);
|
||||
* Fusion MPT LAN private structures
|
||||
*/
|
||||
|
||||
struct NAA_Hosed {
|
||||
u16 NAA;
|
||||
u8 ieee[FC_ALEN];
|
||||
struct NAA_Hosed *next;
|
||||
};
|
||||
|
||||
struct BufferControl {
|
||||
struct sk_buff *skb;
|
||||
dma_addr_t dma;
|
||||
@ -159,11 +153,6 @@ static u8 LanCtx = MPT_MAX_PROTOCOL_DRIVERS;
|
||||
static u32 max_buckets_out = 127;
|
||||
static u32 tx_max_out_p = 127 - 16;
|
||||
|
||||
#ifdef QLOGIC_NAA_WORKAROUND
|
||||
static struct NAA_Hosed *mpt_bad_naa = NULL;
|
||||
DEFINE_RWLOCK(bad_naa_lock);
|
||||
#endif
|
||||
|
||||
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
|
||||
/**
|
||||
* lan_reply - Handle all data sent from the hardware.
|
||||
@ -780,30 +769,6 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
|
||||
// ctx, skb, skb->data));
|
||||
|
||||
mac = skb_mac_header(skb);
|
||||
#ifdef QLOGIC_NAA_WORKAROUND
|
||||
{
|
||||
struct NAA_Hosed *nh;
|
||||
|
||||
/* Munge the NAA for Tx packets to QLogic boards, which don't follow
|
||||
RFC 2625. The longer I look at this, the more my opinion of Qlogic
|
||||
drops. */
|
||||
read_lock_irq(&bad_naa_lock);
|
||||
for (nh = mpt_bad_naa; nh != NULL; nh=nh->next) {
|
||||
if ((nh->ieee[0] == mac[0]) &&
|
||||
(nh->ieee[1] == mac[1]) &&
|
||||
(nh->ieee[2] == mac[2]) &&
|
||||
(nh->ieee[3] == mac[3]) &&
|
||||
(nh->ieee[4] == mac[4]) &&
|
||||
(nh->ieee[5] == mac[5])) {
|
||||
cur_naa = nh->NAA;
|
||||
dlprintk ((KERN_INFO "mptlan/sdu_send: using NAA value "
|
||||
"= %04x.\n", cur_naa));
|
||||
break;
|
||||
}
|
||||
}
|
||||
read_unlock_irq(&bad_naa_lock);
|
||||
}
|
||||
#endif
|
||||
|
||||
pTrans->TransactionDetails[0] = cpu_to_le32((cur_naa << 16) |
|
||||
(mac[0] << 8) |
|
||||
@ -1572,79 +1537,6 @@ mpt_lan_type_trans(struct sk_buff *skb, struct net_device *dev)
|
||||
|
||||
fcllc = (struct fcllc *)skb->data;
|
||||
|
||||
#ifdef QLOGIC_NAA_WORKAROUND
|
||||
{
|
||||
u16 source_naa = fch->stype, found = 0;
|
||||
|
||||
/* Workaround for QLogic not following RFC 2625 in regards to the NAA
|
||||
value. */
|
||||
|
||||
if ((source_naa & 0xF000) == 0)
|
||||
source_naa = swab16(source_naa);
|
||||
|
||||
if (fcllc->ethertype == htons(ETH_P_ARP))
|
||||
dlprintk ((KERN_INFO "mptlan/type_trans: got arp req/rep w/ naa of "
|
||||
"%04x.\n", source_naa));
|
||||
|
||||
if ((fcllc->ethertype == htons(ETH_P_ARP)) &&
|
||||
((source_naa >> 12) != MPT_LAN_NAA_RFC2625)){
|
||||
struct NAA_Hosed *nh, *prevnh;
|
||||
int i;
|
||||
|
||||
dlprintk ((KERN_INFO "mptlan/type_trans: ARP Req/Rep from "
|
||||
"system with non-RFC 2625 NAA value (%04x).\n",
|
||||
source_naa));
|
||||
|
||||
write_lock_irq(&bad_naa_lock);
|
||||
for (prevnh = nh = mpt_bad_naa; nh != NULL;
|
||||
prevnh=nh, nh=nh->next) {
|
||||
if ((nh->ieee[0] == fch->saddr[0]) &&
|
||||
(nh->ieee[1] == fch->saddr[1]) &&
|
||||
(nh->ieee[2] == fch->saddr[2]) &&
|
||||
(nh->ieee[3] == fch->saddr[3]) &&
|
||||
(nh->ieee[4] == fch->saddr[4]) &&
|
||||
(nh->ieee[5] == fch->saddr[5])) {
|
||||
found = 1;
|
||||
dlprintk ((KERN_INFO "mptlan/type_trans: ARP Re"
|
||||
"q/Rep w/ bad NAA from system already"
|
||||
" in DB.\n"));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if ((!found) && (nh == NULL)) {
|
||||
|
||||
nh = kmalloc(sizeof(struct NAA_Hosed), GFP_KERNEL);
|
||||
dlprintk ((KERN_INFO "mptlan/type_trans: ARP Req/Rep w/"
|
||||
" bad NAA from system not yet in DB.\n"));
|
||||
|
||||
if (nh != NULL) {
|
||||
nh->next = NULL;
|
||||
if (!mpt_bad_naa)
|
||||
mpt_bad_naa = nh;
|
||||
if (prevnh)
|
||||
prevnh->next = nh;
|
||||
|
||||
nh->NAA = source_naa; /* Set the S_NAA value. */
|
||||
for (i = 0; i < FC_ALEN; i++)
|
||||
nh->ieee[i] = fch->saddr[i];
|
||||
dlprintk ((KERN_INFO "Got ARP from %02x:%02x:%02x:%02x:"
|
||||
"%02x:%02x with non-compliant S_NAA value.\n",
|
||||
fch->saddr[0], fch->saddr[1], fch->saddr[2],
|
||||
fch->saddr[3], fch->saddr[4],fch->saddr[5]));
|
||||
} else {
|
||||
printk (KERN_ERR "mptlan/type_trans: Unable to"
|
||||
" kmalloc a NAA_Hosed struct.\n");
|
||||
}
|
||||
} else if (!found) {
|
||||
printk (KERN_ERR "mptlan/type_trans: found not"
|
||||
" set, but nh isn't null. Evil "
|
||||
"funkiness abounds.\n");
|
||||
}
|
||||
write_unlock_irq(&bad_naa_lock);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Strip the SNAP header from ARP packets since we don't
|
||||
* pass them through to the 802.2/SNAP layers.
|
||||
|
Loading…
Reference in New Issue
Block a user