From 32afbf07aa53120c0e3fe1881b948ded99f4fc35 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Mon, 8 Oct 2007 10:12:56 -0300
Subject: [PATCH] ACPI: thinkpad-acpi: skip blanks before the data when parsing
 sysfs

Skip blanks not just at the tail of sysfs writes, but also at the head.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/thinkpad_acpi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 81693b4c23b8..37891a8c030a 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -709,6 +709,8 @@ static int parse_strtoul(const char *buf,
 {
 	char *endp;
 
+	while (*buf && isspace(*buf))
+		buf++;
 	*value = simple_strtoul(buf, &endp, 0);
 	while (*endp && isspace(*endp))
 		endp++;
-- 
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