[PATCH] part 2 - remove unused fields from the IPMI driver

From: Corey Minyard
Date: Thu Sep 01 2005 - 14:12:18 EST



This removes the unused "all_cmd_rcvr" variable from the
IPMI driver.

Signed-off-by: Corey Minyard <minyard@xxxxxxx>

Index: linux-2.6.13/drivers/char/ipmi/ipmi_msghandler.c
===================================================================
--- linux-2.6.13.orig/drivers/char/ipmi/ipmi_msghandler.c
+++ linux-2.6.13/drivers/char/ipmi/ipmi_msghandler.c
@@ -202,12 +202,6 @@ struct ipmi_smi
struct list_head waiting_events;
unsigned int waiting_events_count; /* How many events in queue? */

- /* This will be non-null if someone registers to receive all
- IPMI commands (this is for interface emulation). There
- may not be any things in the cmd_rcvrs list above when
- this is registered. */
- ipmi_user_t all_cmd_rcvr;
-
/* The event receiver for my BMC, only really used at panic
shutdown as a place to store this. */
unsigned char event_receiver;
@@ -867,11 +861,6 @@ int ipmi_register_for_cmd(ipmi_user_t

read_lock(&(user->intf->users_lock));
write_lock_irqsave(&(user->intf->cmd_rcvr_lock), flags);
- if (user->intf->all_cmd_rcvr != NULL) {
- rv = -EBUSY;
- goto out_unlock;
- }
-
/* Make sure the command/netfn is not already registered. */
list_for_each_entry(cmp, &(user->intf->cmd_rcvrs), link) {
if ((cmp->netfn == netfn) && (cmp->cmd == cmd)) {
@@ -886,7 +875,7 @@ int ipmi_register_for_cmd(ipmi_user_t
rcvr->user = user;
list_add_tail(&(rcvr->link), &(user->intf->cmd_rcvrs));
}
- out_unlock:
+
write_unlock_irqrestore(&(user->intf->cmd_rcvr_lock), flags);
read_unlock(&(user->intf->users_lock));

@@ -1799,7 +1788,6 @@ int ipmi_register_smi(struct ipmi_smi_ha
rwlock_init(&(new_intf->cmd_rcvr_lock));
init_waitqueue_head(&new_intf->waitq);
INIT_LIST_HEAD(&(new_intf->cmd_rcvrs));
- new_intf->all_cmd_rcvr = NULL;

spin_lock_init(&(new_intf->counter_lock));

@@ -2037,15 +2025,11 @@ static int handle_ipmb_get_msg_cmd(ipmi_

read_lock(&(intf->cmd_rcvr_lock));

- if (intf->all_cmd_rcvr) {
- user = intf->all_cmd_rcvr;
- } else {
- /* Find the command/netfn. */
- list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
- if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
- user = rcvr->user;
- break;
- }
+ /* Find the command/netfn. */
+ list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
+ if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
+ user = rcvr->user;
+ break;
}
}
read_unlock(&(intf->cmd_rcvr_lock));
@@ -2222,15 +2206,11 @@ static int handle_lan_get_msg_cmd(ipmi_s

read_lock(&(intf->cmd_rcvr_lock));

- if (intf->all_cmd_rcvr) {
- user = intf->all_cmd_rcvr;
- } else {
- /* Find the command/netfn. */
- list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
- if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
- user = rcvr->user;
- break;
- }
+ /* Find the command/netfn. */
+ list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
+ if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
+ user = rcvr->user;
+ break;
}
}
read_unlock(&(intf->cmd_rcvr_lock));