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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:
Alan Cox 2008-11-07 16:07:02 +00:00 committed by Linus Torvalds
parent 8638545c36
commit 54e7ff9d62
1 changed files with 0 additions and 108 deletions
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108
drivers/message/fusion/mptlan.c
View File

@ -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.