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[patch 05/25] x86: idle process - add checking for NULL early param

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From: Greg KH <gregkh@...>
To: <linux-kernel@...>, <stable@...>, Cyrill Gorcunov <gorcunov@...>
Cc: Justin Forbes <jmforbes@...>, Zwane Mwaikambo <zwane@...>, Theodore Ts'o <tytso@...>, Randy Dunlap <rdunlap@...>, Dave Jones <davej@...>, Chuck Wolber <chuckw@...>, Chris Wedgwood <reviews@...>, Michael Krufky <mkrufky@...>, Chuck Ebbert <cebbert@...>, Domenico Andreoli <cavokz@...>, Willy Tarreau <w@...>, Rodrigo Rubira Branco <rbranco@...>, Jake Edge <jake@...>, Eugene Teo <eteo@...>, <torvalds@...>, <akpm@...>, <alan@...>, <andi@...>, Ingo Molnar <mingo@...>, Oliver Pinter <oliver.pntr@...>
Subject: [patch 05/25] x86: idle process - add checking for NULL early param
Date: Monday, August 4, 2008 - 5:29 pm

2.6.26-stable review patch.  If anyone has any objections, please let us
know.

------------------

From: Cyrill Gorcunov <gorcunov@gmail.com>

[ Upstream commit ab6bc3e343fbe3be4a0f67225e849d0db6b4b7ac ]

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: akpm@linux-foundation.org
Cc: andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
CC: Oliver Pinter <oliver.pntr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 arch/x86/kernel/process.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -164,6 +164,9 @@ void __cpuinit select_idle_routine(const
 
 static int __init idle_setup(char *str)
 {
+	if (!str)
+		return -EINVAL;
+
 	if (!strcmp(str, "poll")) {
 		printk("using polling idle threads.\n");
 		pm_idle = poll_idle;

-- 
--
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[patch 00/25] 2.6.26-stable review, Greg KH, (Mon Aug 4, 5:27 pm)
[patch 18/25] Add compat handler for PTRACE_GETSIGINFO, Greg KH, (Mon Aug 4, 5:30 pm)
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[patch 25/25] Ath5k: kill tasklets on shutdown, Greg KH, (Mon Aug 4, 5:30 pm)
[patch 24/25] Ath5k: fix memory corruption, Greg KH, (Mon Aug 4, 5:30 pm)
[patch 23/25] vfs: fix lookup on deleted directory, Greg KH, (Mon Aug 4, 5:30 pm)
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[patch 20/25] ALSA: hda - Fix DMA position inaccuracy, Greg KH, (Mon Aug 4, 5:30 pm)
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[patch 11/25] SCSI: ch: fix ch_remove oops, Greg KH, (Mon Aug 4, 5:30 pm)
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[patch 06/25] x86: io delay - add checking for NULL early pa..., Greg KH, (Mon Aug 4, 5:29 pm)
[patch 05/25] x86: idle process - add checking for NULL earl..., Greg KH, (Mon Aug 4, 5:29 pm)
[patch 04/25] SCSI: bsg: fix bsg_mutex hang with device remo..., Greg KH, (Mon Aug 4, 5:29 pm)
[patch 03/25] netfilter: nf_nat_sip: c= is optional for sess..., Greg KH, (Mon Aug 4, 5:29 pm)
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[patch 01/25] ftrace: remove unneeded documentation, Greg KH, (Mon Aug 4, 5:29 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Steven Rostedt, (Mon Aug 4, 5:42 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Randy Dunlap, (Mon Aug 4, 5:49 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Steven Rostedt, (Mon Aug 4, 6:02 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Randy Dunlap, (Mon Aug 4, 6:06 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Greg KH, (Mon Aug 4, 5:46 pm)
Re: [patch 01/25] ftrace: remove unneeded documentation, Steven Rostedt, (Mon Aug 4, 6:16 pm)