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From: "Hironobu Ishii" <hishii@soft.fujitsu.com>
To: "Corey Minyard" <minyard@acm.org>
Cc: <linux-kernel@vger.kernel.org>
Subject: [PATCH 2.6.14-git13] ipmi: inconsistent spin_lock in ipmi_smi_msg_received
Date: Fri, 11 Nov 2005 20:52:45 +0900	[thread overview]
Message-ID: <031001c5e6b6$9de0d100$c8a0220a@CARREN> (raw)

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Hi Corey,

You revert a patch by mistake in the following patch 
      > Date Fri, 21 Oct 2005 09:49:09 -0500 
      > From Corey Minyard <> 
      > Subject [PATCH 1/9] ipmi: use refcount in message handler 

 (http://lkml.org/lkml/2005/10/21/85)


Signed-off-by: Hironobu Ishii <hishii@soft.fujitsu.com>


[-- Attachment #2: ipmi_trivial.txt --]
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diff -urNp linux-2.6.14-git13/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.14-git13.modified/drivers/char/ipmi/ipmi_msghandler.c
--- linux-2.6.14-git13/drivers/char/ipmi/ipmi_msghandler.c	2005-11-11 10:50:37.000000000 +0900
+++ linux-2.6.14-git13.modified/drivers/char/ipmi/ipmi_msghandler.c	2005-11-11 19:53:21.000000000 +0900
@@ -2648,7 +2648,7 @@ void ipmi_smi_msg_received(ipmi_smi_t   
 	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   
 	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);
 	}

                 reply	other threads:[~2005-11-11 11:54 UTC|newest]

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