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path: root/drivers/macintosh/ams/ams-input.c
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Diffstat (limited to 'drivers/macintosh/ams/ams-input.c')
-rw-r--r--drivers/macintosh/ams/ams-input.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/macintosh/ams/ams-input.c b/drivers/macintosh/ams/ams-input.c
index b27e530a87a4..2edae7dfcab2 100644
--- a/drivers/macintosh/ams/ams-input.c
+++ b/drivers/macintosh/ams/ams-input.c
@@ -118,8 +118,12 @@ static ssize_t ams_input_store_joystick(struct device *dev,
118{ 118{
119 unsigned long enable; 119 unsigned long enable;
120 int error = 0; 120 int error = 0;
121 int ret;
121 122
122 if (strict_strtoul(buf, 0, &enable) || enable > 1) 123 ret = kstrtoul(buf, 0, &enable);
124 if (ret)
125 return ret;
126 if (enable > 1)
123 return -EINVAL; 127 return -EINVAL;
124 128
125 mutex_lock(&ams_input_mutex); 129 mutex_lock(&ams_input_mutex);