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Subject[patch 06/25] x86: io delay - add checking for NULL early param

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

------------------
From: Cyrill Gorcunov <gorcunov@gmail.com>

[ Upstream commit d6cd7effcc5e0047faf15ab0a54c980f1a616a07 ]

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/io_delay.c | 3 +++
1 file changed, 3 insertions(+)
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -103,6 +103,9 @@ void __init io_delay_init(void)

static int __init io_delay_param(char *s)
{
+ if (!s)
+ return -EINVAL;
+
if (!strcmp(s, "0x80"))
io_delay_type = CONFIG_IO_DELAY_TYPE_0X80;
else if (!strcmp(s, "0xed"))
--


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