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path: root/drivers/gpio/gpio-mockup.c
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Diffstat (limited to 'drivers/gpio/gpio-mockup.c')
-rw-r--r--drivers/gpio/gpio-mockup.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 06dac72cb69c..d99338689213 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -197,7 +197,7 @@ static ssize_t gpio_mockup_event_write(struct file *file,
struct seq_file *sfile;
struct gpio_desc *desc;
struct gpio_chip *gc;
- int status, val;
+ int val;
char buf;
sfile = file->private_data;
@@ -206,9 +206,8 @@ static ssize_t gpio_mockup_event_write(struct file *file,
chip = priv->chip;
gc = &chip->gc;
- status = copy_from_user(&buf, usr_buf, 1);
- if (status)
- return status;
+ if (copy_from_user(&buf, usr_buf, 1))
+ return -EFAULT;
if (buf == '0')
val = 0;