From: Shuah Khan <shuahkhan@gmail.com>
Date: Mon, 11 Jun 2012 03:13:41 +0000 (-0600)
Subject: perf/x86: Convert obsolete simple_strtoul() usage to kstrtoul()
X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~12864^2~56
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=e2b297fcf17fc03734e93387fb8195c782286b35;p=mirror_ubuntu-zesty-kernel.git

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

Signed-off-by: Shuah Khan <shuahkhan@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1339384421.3025.8.camel@lorien2
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 000a4746c7ce..766c76d5ec4c 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;