[tip:perf/core] perf/x86: Convert obsolete simple_strtoul() usage to kstrtoul()

From: tip-bot for Shuah Khan
Date: Mon Jun 11 2012 - 05:13:10 EST


Commit-ID: e2b297fcf17fc03734e93387fb8195c782286b35
Gitweb: http://git.kernel.org/tip/e2b297fcf17fc03734e93387fb8195c782286b35
Author: Shuah Khan <shuahkhan@xxxxxxxxx>
AuthorDate: Sun, 10 Jun 2012 21:13:41 -0600
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 11 Jun 2012 10:52:12 +0200

perf/x86: Convert obsolete simple_strtoul() usage to kstrtoul()

Signed-off-by: Shuah Khan <shuahkhan@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Link: 1339384421.3025.8.camel@lorien2">http://lkml.kernel.org/r/1339384421.3025.8.camel@lorien2
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/perf_event.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 000a474..766c76d 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1640,7 +1640,12 @@ 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;
--
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