diff options
| -rw-r--r-- | arch/x86/kernel/microcode_core.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index c9bda6d6035..fbdfc691718 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(); |