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ipmi: Clean up some style issues in the message handler 

Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Corey Minyard 2018-04-05 12:27:55 -05:00
parent 42c2dc7e66
commit aa7a8f9e1b
1 changed files with 35 additions and 48 deletions
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83
drivers/char/ipmi/ipmi_msghandler.c
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@ -772,7 +772,7 @@ EXPORT_SYMBOL(ipmi_smi_watcher_register);
int ipmi_smi_watcher_unregister(struct ipmi_smi_watcher *watcher)
{
mutex_lock(&smi_watchers_mutex);
list_del(&(watcher->link));
list_del(&watcher->link);
mutex_unlock(&smi_watchers_mutex);
return 0;
}
@ -994,19 +994,19 @@ static int intf_find_seq(ipmi_smi_t intf,
if (seq >= IPMI_IPMB_NUM_SEQ)
return -EINVAL;
spin_lock_irqsave(&(intf->seq_lock), flags);
spin_lock_irqsave(&intf->seq_lock, flags);
if (intf->seq_table[seq].inuse) {
struct ipmi_recv_msg *msg = intf->seq_table[seq].recv_msg;
if ((msg->addr.channel == channel) && (msg->msg.cmd == cmd)
&& (msg->msg.netfn == netfn)
&& (ipmi_addr_equal(addr, &(msg->addr)))) {
&& (ipmi_addr_equal(addr, &msg->addr))) {
*recv_msg = msg;
intf->seq_table[seq].inuse = 0;
rv = 0;
}
}
spin_unlock_irqrestore(&(intf->seq_lock), flags);
spin_unlock_irqrestore(&intf->seq_lock, flags);
return rv;
}
@ -1024,18 +1024,18 @@ static int intf_start_seq_timer(ipmi_smi_t intf,
GET_SEQ_FROM_MSGID(msgid, seq, seqid);
spin_lock_irqsave(&(intf->seq_lock), flags);
spin_lock_irqsave(&intf->seq_lock, flags);
/*
* We do this verification because the user can be deleted
* while a message is outstanding.
*/
if ((intf->seq_table[seq].inuse)
&& (intf->seq_table[seq].seqid == seqid)) {
struct seq_table *ent = &(intf->seq_table[seq]);
struct seq_table *ent = &intf->seq_table[seq];
ent->timeout = ent->orig_timeout;
rv = 0;
}
spin_unlock_irqrestore(&(intf->seq_lock), flags);
spin_unlock_irqrestore(&intf->seq_lock, flags);
return rv;
}
@ -1054,20 +1054,20 @@ static int intf_err_seq(ipmi_smi_t intf,
GET_SEQ_FROM_MSGID(msgid, seq, seqid);
spin_lock_irqsave(&(intf->seq_lock), flags);
spin_lock_irqsave(&intf->seq_lock, flags);
/*
* We do this verification because the user can be deleted
* while a message is outstanding.
*/
if ((intf->seq_table[seq].inuse)
&& (intf->seq_table[seq].seqid == seqid)) {
struct seq_table *ent = &(intf->seq_table[seq]);
struct seq_table *ent = &intf->seq_table[seq];
ent->inuse = 0;
msg = ent->recv_msg;
rv = 0;
}
spin_unlock_irqrestore(&(intf->seq_lock), flags);
spin_unlock_irqrestore(&intf->seq_lock, flags);
if (msg)
deliver_err_response(msg, err);
@ -1594,21 +1594,19 @@ static inline void format_ipmb_msg(struct ipmi_smi_msg *smi_msg,
smi_msg->data[3] = 0;
smi_msg->data[i+3] = ipmb_addr->slave_addr;
smi_msg->data[i+4] = (msg->netfn << 2) | (ipmb_addr->lun & 0x3);
smi_msg->data[i+5] = ipmb_checksum(&(smi_msg->data[i+3]), 2);
smi_msg->data[i+5] = ipmb_checksum(&smi_msg->data[i + 3], 2);
smi_msg->data[i+6] = source_address;
smi_msg->data[i+7] = (ipmb_seq << 2) | source_lun;
smi_msg->data[i+8] = msg->cmd;
/* Now tack on the data to the message. */
if (msg->data_len > 0)
memcpy(&(smi_msg->data[i+9]), msg->data,
msg->data_len);
memcpy(&smi_msg->data[i + 9], msg->data, msg->data_len);
smi_msg->data_size = msg->data_len + 9;
/* Now calculate the checksum and tack it on. */
smi_msg->data[i+smi_msg->data_size]
= ipmb_checksum(&(smi_msg->data[i+6]),
smi_msg->data_size-6);
= ipmb_checksum(&smi_msg->data[i + 6], smi_msg->data_size - 6);
/*
* Add on the checksum size and the offset from the
@ -1633,21 +1631,19 @@ static inline void format_lan_msg(struct ipmi_smi_msg *smi_msg,
smi_msg->data[3] = lan_addr->session_handle;
smi_msg->data[4] = lan_addr->remote_SWID;
smi_msg->data[5] = (msg->netfn << 2) | (lan_addr->lun & 0x3);
smi_msg->data[6] = ipmb_checksum(&(smi_msg->data[4]), 2);
smi_msg->data[6] = ipmb_checksum(&smi_msg->data[4], 2);
smi_msg->data[7] = lan_addr->local_SWID;
smi_msg->data[8] = (ipmb_seq << 2) | source_lun;
smi_msg->data[9] = msg->cmd;
/* Now tack on the data to the message. */
if (msg->data_len > 0)
memcpy(&(smi_msg->data[10]), msg->data,
msg->data_len);
memcpy(&smi_msg->data[10], msg->data, msg->data_len);
smi_msg->data_size = msg->data_len + 10;
/* Now calculate the checksum and tack it on. */
smi_msg->data[smi_msg->data_size]
= ipmb_checksum(&(smi_msg->data[7]),
smi_msg->data_size-7);
= ipmb_checksum(&smi_msg->data[7], smi_msg->data_size - 7);
/*
* Add on the checksum size and the offset from the
@ -3612,7 +3608,7 @@ static void cleanup_smi_msgs(ipmi_smi_t intf)
}
for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) {
ent = &(intf->seq_table[i]);
ent = &intf->seq_table[i];
if (!ent->inuse)
continue;
deliver_err_response(ent->recv_msg, IPMI_ERR_UNSPECIFIED);
@ -3700,7 +3696,7 @@ static int handle_ipmb_get_msg_rsp(ipmi_smi_t intf,
msg->rsp[3] & 0x0f,
msg->rsp[8],
(msg->rsp[4] >> 2) & (~1),
(struct ipmi_addr *) &(ipmb_addr),
(struct ipmi_addr *) &ipmb_addr,
&recv_msg)) {
/*
* We were unable to find the sequence number,
@ -3710,9 +3706,7 @@ static int handle_ipmb_get_msg_rsp(ipmi_smi_t intf,
return 0;
}
memcpy(recv_msg->msg_data,
&(msg->rsp[9]),
msg->rsp_size - 9);
memcpy(recv_msg->msg_data, &msg->rsp[9], msg->rsp_size - 9);
/*
* The other fields matched, so no need to set them, except
* for netfn, which needs to be the response that was
@ -3773,13 +3767,13 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf,
msg->data[2] = msg->rsp[3];
msg->data[3] = msg->rsp[6];
msg->data[4] = ((netfn + 1) << 2) | (msg->rsp[7] & 0x3);
msg->data[5] = ipmb_checksum(&(msg->data[3]), 2);
msg->data[5] = ipmb_checksum(&msg->data[3], 2);
msg->data[6] = intf->addrinfo[msg->rsp[3] & 0xf].address;
/* rqseq/lun */
msg->data[7] = (msg->rsp[7] & 0xfc) | (msg->rsp[4] & 0x3);
msg->data[8] = msg->rsp[8]; /* cmd */
msg->data[9] = IPMI_INVALID_CMD_COMPLETION_CODE;
msg->data[10] = ipmb_checksum(&(msg->data[6]), 4);
msg->data[10] = ipmb_checksum(&msg->data[6], 4);
msg->data_size = 11;
ipmi_debug_msg("Invalid command:", msg->data, msg->data_size);
@ -3832,8 +3826,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf,
* at the end also needs to be removed.
*/
recv_msg->msg.data_len = msg->rsp_size - 10;
memcpy(recv_msg->msg_data,
&(msg->rsp[9]),
memcpy(recv_msg->msg_data, &msg->rsp[9],
msg->rsp_size - 10);
deliver_response(recv_msg);
}
@ -3881,7 +3874,7 @@ static int handle_lan_get_msg_rsp(ipmi_smi_t intf,
msg->rsp[3] & 0x0f,
msg->rsp[10],
(msg->rsp[6] >> 2) & (~1),
(struct ipmi_addr *) &(lan_addr),
(struct ipmi_addr *) &lan_addr,
&recv_msg)) {
/*
* We were unable to find the sequence number,
@ -3891,9 +3884,7 @@ static int handle_lan_get_msg_rsp(ipmi_smi_t intf,
return 0;
}
memcpy(recv_msg->msg_data,
&(msg->rsp[11]),
msg->rsp_size - 11);
memcpy(recv_msg->msg_data, &msg->rsp[11], msg->rsp_size - 11);
/*
* The other fields matched, so no need to set them, except
* for netfn, which needs to be the response that was
@ -3993,8 +3984,7 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t intf,
* at the end also needs to be removed.
*/
recv_msg->msg.data_len = msg->rsp_size - 12;
memcpy(recv_msg->msg_data,
&(msg->rsp[11]),
memcpy(recv_msg->msg_data, &msg->rsp[11],
msg->rsp_size - 12);
deliver_response(recv_msg);
}
@ -4084,7 +4074,7 @@ static int handle_oem_get_msg_cmd(ipmi_smi_t intf,
* requirements
*/
smi_addr = ((struct ipmi_system_interface_addr *)
&(recv_msg->addr));
&recv_msg->addr);
smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
smi_addr->channel = IPMI_BMC_CHANNEL;
smi_addr->lun = msg->rsp[0] & 3;
@ -4101,8 +4091,7 @@ static int handle_oem_get_msg_cmd(ipmi_smi_t intf,
* the Channel Byte in the "GET MESSAGE" command
*/
recv_msg->msg.data_len = msg->rsp_size - 4;
memcpy(recv_msg->msg_data,
&(msg->rsp[4]),
memcpy(recv_msg->msg_data, &msg->rsp[4],
msg->rsp_size - 4);
deliver_response(recv_msg);
}
@ -4117,14 +4106,14 @@ static void copy_event_into_recv_msg(struct ipmi_recv_msg *recv_msg,
struct ipmi_system_interface_addr *smi_addr;
recv_msg->msgid = 0;
smi_addr = (struct ipmi_system_interface_addr *) &(recv_msg->addr);
smi_addr = (struct ipmi_system_interface_addr *) &recv_msg->addr;
smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
smi_addr->channel = IPMI_BMC_CHANNEL;
smi_addr->lun = msg->rsp[0] & 3;
recv_msg->recv_type = IPMI_ASYNC_EVENT_RECV_TYPE;
recv_msg->msg.netfn = msg->rsp[0] >> 2;
recv_msg->msg.cmd = msg->rsp[1];
memcpy(recv_msg->msg_data, &(msg->rsp[3]), msg->rsp_size - 3);
memcpy(recv_msg->msg_data, &msg->rsp[3], msg->rsp_size - 3);
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = msg->rsp_size - 3;
}
@ -4187,7 +4176,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf,
copy_event_into_recv_msg(recv_msg, msg);
recv_msg->user = user;
kref_get(&user->refcount);
list_add_tail(&(recv_msg->link), &msgs);
list_add_tail(&recv_msg->link, &msgs);
}
rcu_read_unlock();
@ -4214,7 +4203,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf,
}
copy_event_into_recv_msg(recv_msg, msg);
list_add_tail(&(recv_msg->link), &(intf->waiting_events));
list_add_tail(&recv_msg->link, &intf->waiting_events);
intf->waiting_events_count++;
} else if (!intf->event_msg_printed) {
/*
@ -4227,7 +4216,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf,
}
out:
spin_unlock_irqrestore(&(intf->events_lock), flags);
spin_unlock_irqrestore(&intf->events_lock, flags);
return rv;
}
@ -4258,15 +4247,13 @@ static int handle_bmc_rsp(ipmi_smi_t intf,
recv_msg->recv_type = IPMI_RESPONSE_RECV_TYPE;
recv_msg->msgid = msg->msgid;
smi_addr = ((struct ipmi_system_interface_addr *)
&(recv_msg->addr));
&recv_msg->addr);
smi_addr->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
smi_addr->channel = IPMI_BMC_CHANNEL;
smi_addr->lun = msg->rsp[0] & 3;
recv_msg->msg.netfn = msg->rsp[0] >> 2;
recv_msg->msg.cmd = msg->rsp[1];
memcpy(recv_msg->msg_data,
&(msg->rsp[2]),
msg->rsp_size - 2);
memcpy(recv_msg->msg_data, &msg->rsp[2], msg->rsp_size - 2);
recv_msg->msg.data = recv_msg->msg_data;
recv_msg->msg.data_len = msg->rsp_size - 2;
deliver_response(recv_msg);
@ -4765,7 +4752,7 @@ static unsigned int ipmi_timeout_handler(ipmi_smi_t intf,
intf->ipmb_maintenance_mode_timeout -= timeout_period;
}
for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++)
check_msg_timeout(intf, &(intf->seq_table[i]),
check_msg_timeout(intf, &intf->seq_table[i],
&timeouts, timeout_period, i,
&flags, &waiting_msgs);
spin_unlock_irqrestore(&intf->seq_lock, flags);