- retval = mutex_lock_interruptible(&input_dev->mutex); \
- if (retval) \
- return retval; \
- \
- retval = scnprintf(buf, PAGE_SIZE, \
- "%s\n", input_dev->name ? input_dev->name : ""); \
- \
- mutex_unlock(&input_dev->mutex); \
- \
- return retval; \
+ return scnprintf(buf, PAGE_SIZE, "%s\n", \
+ input_dev->name ? input_dev->name : ""); \