staging: iio: ad9834: Remove unnecessary goto statement

The patch removes unnecessary use of goto statement.

Signed-off-by: sayli karnik <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/staging/iio/frequency/ad9834.c

···
 
 	ret = kstrtoul(buf, 10, &val);
 	if (ret)
-		goto error_ret;
+		return ret;
 
 	mutex_lock(&st->lock);
 	switch ((u32)this_attr->address) {
···
 	}
 	mutex_unlock(&st->lock);
 
-error_ret:
 	return ret ? ret : len;
 }