diff options
Diffstat (limited to 'drivers/char/hw_random/core.c')
| -rw-r--r-- | drivers/char/hw_random/core.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index adb3c2bd7783..a3db27916256 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -319,11 +319,11 @@ static int enable_best_rng(void) return ret; } -static ssize_t hwrng_attr_current_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) +static ssize_t rng_current_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) { - int err = -ENODEV; + int err; struct hwrng *rng, *old_rng, *new_rng; err = mutex_lock_interruptible(&rng_mutex); @@ -354,9 +354,9 @@ static ssize_t hwrng_attr_current_store(struct device *dev, return err ? : len; } -static ssize_t hwrng_attr_current_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t rng_current_show(struct device *dev, + struct device_attribute *attr, + char *buf) { ssize_t ret; struct hwrng *rng; @@ -371,9 +371,9 @@ static ssize_t hwrng_attr_current_show(struct device *dev, return ret; } -static ssize_t hwrng_attr_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t rng_available_show(struct device *dev, + struct device_attribute *attr, + char *buf) { int err; struct hwrng *rng; @@ -392,22 +392,16 @@ static ssize_t hwrng_attr_available_show(struct device *dev, return strlen(buf); } -static ssize_t hwrng_attr_selected_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t rng_selected_show(struct device *dev, + struct device_attribute *attr, + char *buf) { return sysfs_emit(buf, "%d\n", cur_rng_set_by_user); } -static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, - hwrng_attr_current_show, - hwrng_attr_current_store); -static DEVICE_ATTR(rng_available, S_IRUGO, - hwrng_attr_available_show, - NULL); -static DEVICE_ATTR(rng_selected, S_IRUGO, - hwrng_attr_selected_show, - NULL); +static DEVICE_ATTR_RW(rng_current); +static DEVICE_ATTR_RO(rng_available); +static DEVICE_ATTR_RO(rng_selected); static struct attribute *rng_dev_attrs[] = { &dev_attr_rng_current.attr, |