[PATCH] ipmi: fix inconsistent spinlock usage

Part of a patch was accidentally reverted, this corrects an
inconsistent spinlock use in the IPMI message handler.

Signed-off-by: Hironobu Ishii <hishii@soft.fujitsu.com>
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index c1d06ba..d16bd4b 100644 (file)
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2648,7 +2648,7 @@ void ipmi_smi_msg_received(ipmi_smi_t          intf,
        spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
        if (!list_empty(&intf->waiting_msgs)) {
                list_add_tail(&msg->link, &intf->waiting_msgs);
-               spin_unlock(&intf->waiting_msgs_lock);
+               spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags);
                goto out;
        }
        spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags);
@@ -2657,9 +2657,9 @@ void ipmi_smi_msg_received(ipmi_smi_t          intf,
        if (rv > 0) {
                /* Could not handle the message now, just add it to a
                    list to handle later. */
-               spin_lock(&intf->waiting_msgs_lock);
+               spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
                list_add_tail(&msg->link, &intf->waiting_msgs);
-               spin_unlock(&intf->waiting_msgs_lock);
+               spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags);
        } else if (rv == 0) {
                ipmi_free_smi_msg(msg);
        }