[ 32/73] x86, microcode: microcode_core.c simple_strtoul cleanup

[Ben Hutchings]

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Shuah Khan <shuahkhan@xxxxxxxxx>

commit e826abd523913f63eb03b59746ffb16153c53dc4 upstream.

Change reload_for_cpu() in kernel/microcode_core.c to call kstrtoul()
instead of calling obsoleted simple_strtoul().

Signed-off-by: Shuah Khan <shuahkhan@xxxxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1336324264.2897.9.camel@lorien2
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 arch/x86/kernel/microcode_core.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index c9bda6d..fbdfc69 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -299,12 +299,11 @@ static ssize_t reload_store(struct device *dev,
 {
 	unsigned long val;
 	int cpu = dev->id;
-	int ret = 0;
-	char *end;
+	ssize_t ret = 0;
 
-	val = simple_strtoul(buf, &end, 0);
-	if (end == buf)
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &val);
+	if (ret)
+		return ret;
 
 	if (val == 1) {
 		get_online_cpus();


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