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ipmi: Rename "user_data" to "recv_msg" in an SMI message

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It's only used to hold the corresponding receive message, so fix the
name to make that clear and the type so nothing else can be accidentally
assigned to it.

Signed-off-by: Corey Minyard <corey@minyard.net>
This commit is contained in:
Corey Minyard
2025-08-20 14:09:11 -05:00
parent 9cf93a8fa9
commit 3bc54ab3b9
2 changed files with 15 additions and 14 deletions
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26
drivers/char/ipmi/ipmi_msghandler.c
View File

@@ -1959,7 +1959,7 @@ static int i_ipmi_req_sysintf(struct ipmi_smi *intf,
smi_msg->data[0] = (msg->netfn << 2) | (smi_addr->lun & 0x3);
smi_msg->data[1] = msg->cmd;
smi_msg->msgid = msgid;
smi_msg->user_data = recv_msg;
smi_msg->recv_msg = recv_msg;
if (msg->data_len > 0)
memcpy(&smi_msg->data[2], msg->data, msg->data_len);
smi_msg->data_size = msg->data_len + 2;
@@ -2040,7 +2040,7 @@ static int i_ipmi_req_ipmb(struct ipmi_smi *intf,
* Save the receive message so we can use it
* to deliver the response.
*/
smi_msg->user_data = recv_msg;
smi_msg->recv_msg = recv_msg;
} else {
mutex_lock(&intf->seq_lock);
@@ -2153,7 +2153,7 @@ static int i_ipmi_req_ipmb_direct(struct ipmi_smi *intf,
memcpy(smi_msg->data + 4, msg->data, msg->data_len);
smi_msg->data_size = msg->data_len + 4;
smi_msg->user_data = recv_msg;
smi_msg->recv_msg = recv_msg;
return 0;
}
@@ -2216,7 +2216,7 @@ static int i_ipmi_req_lan(struct ipmi_smi *intf,
* Save the receive message so we can use it
* to deliver the response.
*/
smi_msg->user_data = recv_msg;
smi_msg->recv_msg = recv_msg;
} else {
mutex_lock(&intf->seq_lock);
@@ -4066,7 +4066,7 @@ static int handle_ipmb_direct_rcv_rsp(struct ipmi_smi *intf,
struct ipmi_recv_msg *recv_msg;
struct ipmi_ipmb_direct_addr *daddr;
recv_msg = msg->user_data;
recv_msg = msg->recv_msg;
if (recv_msg == NULL) {
dev_warn(intf->si_dev,
"IPMI direct message received with no owner. This could be because of a malformed message, or because of a hardware error. Contact your hardware vendor for assistance.\n");
@@ -4489,7 +4489,7 @@ static int handle_bmc_rsp(struct ipmi_smi *intf,
struct ipmi_recv_msg *recv_msg;
struct ipmi_system_interface_addr *smi_addr;
recv_msg = msg->user_data;
recv_msg = msg->recv_msg;
if (recv_msg == NULL) {
dev_warn(intf->si_dev,
"IPMI SMI message received with no owner. This could be because of a malformed message, or because of a hardware error. Contact your hardware vendor for assistance.\n");
@@ -4563,14 +4563,14 @@ static int handle_one_recv_msg(struct ipmi_smi *intf,
} else if ((msg->data_size >= 2)
&& (msg->data[0] == (IPMI_NETFN_APP_REQUEST << 2))
&& (msg->data[1] == IPMI_SEND_MSG_CMD)
&& (msg->user_data == NULL)) {
&& (msg->recv_msg == NULL)) {
if (intf->in_shutdown || intf->run_to_completion)
goto out;
/*
* This is the local response to a command send, start
* the timer for these. The user_data will not be
* the timer for these. The recv_msg will not be
* NULL if this is a response send, and we will let
* response sends just go through.
*/
@@ -4630,7 +4630,7 @@ static int handle_one_recv_msg(struct ipmi_smi *intf,
requeue = handle_ipmb_direct_rcv_rsp(intf, msg);
} else if ((msg->rsp[0] == ((IPMI_NETFN_APP_REQUEST|1) << 2))
&& (msg->rsp[1] == IPMI_SEND_MSG_CMD)
&& (msg->user_data != NULL)) {
&& (msg->recv_msg != NULL)) {
/*
* It's a response to a response we sent. For this we
* deliver a send message response to the user.
@@ -4647,7 +4647,7 @@ static int handle_one_recv_msg(struct ipmi_smi *intf,
cc = msg->rsp[2];
process_response_response:
recv_msg = msg->user_data;
recv_msg = msg->recv_msg;
requeue = 0;
if (!recv_msg)
@@ -4836,9 +4836,9 @@ static void smi_work(struct work_struct *t)
if (newmsg) {
cc = intf->handlers->sender(intf->send_info, newmsg);
if (cc) {
if (newmsg->user_data)
if (newmsg->recv_msg)
deliver_err_response(intf,
newmsg->user_data, cc);
newmsg->recv_msg, cc);
else
ipmi_free_smi_msg(newmsg);
goto restart;
@@ -5185,7 +5185,7 @@ struct ipmi_smi_msg *ipmi_alloc_smi_msg(void)
rv = kmalloc(sizeof(struct ipmi_smi_msg), GFP_ATOMIC);
if (rv) {
rv->done = free_smi_msg;
rv->user_data = NULL;
rv->recv_msg = NULL;
rv->type = IPMI_SMI_MSG_TYPE_NORMAL;
atomic_inc(&smi_msg_inuse_count);
}

3
include/linux/ipmi_smi.h
View File

@@ -110,7 +110,8 @@ struct ipmi_smi_msg {
enum ipmi_smi_msg_type type;
long msgid;
void *user_data;
/* Response to this message, will be NULL if not from a user request. */
struct ipmi_recv_msg *recv_msg;
int data_size;
unsigned char data[IPMI_MAX_MSG_LENGTH];