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From: Jeff Garzik <jgarzik@pobox.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [BK PATCHES] libata fixes
Date: Fri, 05 Dec 2003 13:47:19 -0500	[thread overview]
Message-ID: <3FD0D2B7.2050403@pobox.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0312051041000.9125@home.osdl.org>

[-- Attachment #1: Type: text/plain, Size: 969 bytes --]

Linus Torvalds wrote:
> 
> On Fri, 5 Dec 2003, Jeff Garzik wrote:
> 
>>Linus, please do a
>>
>>	bk pull bk://gkernel.bkbits.net/libata-2.5
>>
>>This will update the following files:
>>
>> drivers/scsi/libata-core.c  |   17 ++---
>> drivers/scsi/sata_promise.c |  128 +++++++++++++++++++++++++-------------------
> 
> 
> Right now, I'm accepting one-liners that I think are "obvious" and also
> "very important" (ie fixes for oopses that anybody can trigger, rather
> than for example updates to one particular driver). So it sounds like I
> might accept _one_ of these:
> 
> 
>><jgarzik@redhat.com> (03/12/05 1.1498)
>>   [libata] fix use-after-free
>>
>>   Fixes oops some were seeing on module unload.
>>
>>   Caught by Jon Burgess.
> 
> 
> If this is basically an obvious one-liner ("move a kfree")?
> 
> Andrew is still off, and he can make a decision independently, but right
> now I'm not going to apply anything bigger.


Yep, split out and attached...

	Jeff



[-- Attachment #2: patch --]
[-- Type: text/plain, Size: 1081 bytes --]

# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#	           ChangeSet	1.1497  -> 1.1498 
#	drivers/scsi/libata-core.c	1.8     -> 1.9    
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 03/12/05	jgarzik@redhat.com	1.1498
# [libata] fix use-after-free
# 
# Fixes oops some were seeing on module unload.
# 
# Caught by Jon Burgess.
# --------------------------------------------
#
diff -Nru a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
--- a/drivers/scsi/libata-core.c	Fri Dec  5 13:46:54 2003
+++ b/drivers/scsi/libata-core.c	Fri Dec  5 13:46:54 2003
@@ -3224,8 +3224,6 @@
 		scsi_host_put(ap->host); /* FIXME: check return val */
 	}
 
-	kfree(host_set);
-
 	pci_release_regions(pdev);
 
 	for (i = 0; i < host_set->n_ports; i++) {
@@ -3242,6 +3240,7 @@
 		}
 	}
 
+	kfree(host_set);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 }

  reply	other threads:[~2003-12-05 18:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-05 18:16 [BK PATCHES] libata fixes Jeff Garzik
2003-12-05 18:44 ` Linus Torvalds
2003-12-05 18:47   ` Jeff Garzik [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-11-08 17:26 Jeff Garzik
2003-11-08 20:16 ` Sergey Vlasov
2003-11-08 20:23   ` Jeff Garzik

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