linux-kernel - [PATCH] x86: kernel/cpu/perf_event.c simple

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Date:	Sun, 10 Jun 2012 21:13:41 -0600
From:	Shuah Khan <shuahkhan@...il.com>
To:	tglx@...utronix.de, hpa@...or.com
Cc:	shuahkhan@...il.com, x86@...nel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: kernel/cpu/perf_event.c simple_strtoul cleanup

Change set_attr_rdpmc() to call kstrtoul() instead of calling obsoleted
simple_strtoul().

Signed-off-by: Shuah Khan <shuahkhan@...il.com>
---
 arch/x86/kernel/cpu/perf_event.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index e049d6d..2e51c82f 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1648,7 +1648,12 @@ static ssize_t set_attr_rdpmc(struct device *cdev,
 			      struct device_attribute *attr,
 			      const char *buf, size_t count)
 {
-	unsigned long val = simple_strtoul(buf, NULL, 0);
+	unsigned long val;
+	ssize_t ret;
+
+	ret = kstrtoul(buf, 0, &val);
+	if (ret)
+		return ret;
 
 	if (!!val != !!x86_pmu.attr_rdpmc) {
 		x86_pmu.attr_rdpmc = !!val;
-- 
1.7.9.5



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