linux-kernel - Re: [patch 00/48] 2.6.27.32-stable review

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Date:	Mon, 07 Sep 2009 00:58:26 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	Greg KH <gregkh@...e.de>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk
Subject: Re: [patch 00/48] 2.6.27.32-stable review

Greg,

if at all possible, could you please include the patch below, with an

Acked-by: Tilman Schmidt <tilman@...p.cc>

tacked on? It applies fine to 2.6.27.31.

Thanks a lot in advance,
Tilman

---- original message follows ----
Message-ID: <4A9524BE.3060508@...onical.com>
Date: Wed, 26 Aug 2009 14:04:14 +0200
From: Stefan Bader <stefan.bader@...onical.com>
To: stable@...nel.org
CC: Tilman Schmidt <tilman@...p.cc>, 
 "David S. Miller" <davem@...emloft.net>,
 Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH] Fix incorrect stable backport to bas_gigaset patch

This seems to affect 2.6.27.y and (discontinued) 2.6.28.y. Some code went into 
gigaset_probe instead of gigaset_initcshw causing an oops when the hardware is 
probed.
[I added one pr_err statement from upstream, too)

-Stefan

From 944fd2dab4173cea4fdcd50732529639ec00cf5d Mon Sep 17 00:00:00 2001
From: Stefan Bader <stefan.bader@...onical.com>
Date: Tue, 25 Aug 2009 17:35:56 +0200
Subject: [PATCH] UBUNTU: SAUCE: Fix incorrect stable backport to bas_gigaset

BugLink: http://bugs.launchpad.net/bugs/417732

commit 56f7efe48d57dda9e59e23ab161c118271cce815
Author: Tilman Schmidt <tilman@...p.cc>
Date:   Wed Apr 15 03:25:43 2009 -0700

    bas_gigaset: correctly allocate USB interrupt transfer buffer

    [ Upstream commit 170ebf85160dd128e1c4206cc197cce7d1424705 ]

This incorrect backport to 2.6.28.10 placed some code into the probe function
which used a pointer before it was initialized. Moving this to the correct
place (as it is in upstream).

Signed-off-by: Stefan Bader <stefan.bader@...onical.com>
---
 drivers/isdn/gigaset/bas-gigaset.c |   16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index fcec2df..3990eae 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -2140,8 +2140,16 @@ static int gigaset_initcshw(struct cardstate *cs)
 	struct bas_cardstate *ucs;
 
 	cs->hw.bas = ucs = kmalloc(sizeof *ucs, GFP_KERNEL);
-	if (!ucs)
+	if (!ucs) {
+		pr_err("out of memory\n");
+		return 0;
+	}
+	ucs->int_in_buf = kmalloc(IP_MSGSIZE, GFP_KERNEL);
+	if (!ucs->int_in_buf) {
+		kfree(ucs);
+		pr_err("out of memory\n");
 		return 0;
+	}
 
 	ucs->urb_cmd_in = NULL;
 	ucs->urb_cmd_out = NULL;
@@ -2236,12 +2244,6 @@ static int gigaset_probe(struct usb_interface *interface,
 		}
 		hostif = interface->cur_altsetting;
 	}
-	ucs->int_in_buf = kmalloc(IP_MSGSIZE, GFP_KERNEL);
-	if (!ucs->int_in_buf) {
-		kfree(ucs);
-		pr_err("out of memory\n");
-		return 0;
-	}
 
 	/* Reject application specific interfaces
 	 */
-- 
1.5.4.3

-- 
Tilman Schmidt                    E-Mail: tilman@...p.cc
Bonn, Germany
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