diff options
Diffstat (limited to 'drivers/char/random.c')
| -rw-r--r-- | drivers/char/random.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 705a839f179..c7afc068c28 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -558,24 +558,43 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; +#ifndef CONFIG_SPARSE_IRQ + static struct timer_rand_state *irq_timer_state[NR_IRQS]; static struct timer_rand_state *get_timer_rand_state(unsigned int irq) { - if (irq >= nr_irqs) - return NULL; - return irq_timer_state[irq]; } -static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state) +static void set_timer_rand_state(unsigned int irq, + struct timer_rand_state *state) { - if (irq >= nr_irqs) - return; - irq_timer_state[irq] = state; } +#else + +static struct timer_rand_state *get_timer_rand_state(unsigned int irq) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + + return desc->timer_rand_state; +} + +static void set_timer_rand_state(unsigned int irq, + struct timer_rand_state *state) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + + desc->timer_rand_state = state; +} +#endif + static struct timer_rand_state input_timer_state; /* @@ -933,9 +952,6 @@ void rand_initialize_irq(int irq) { struct timer_rand_state *state; - if (irq >= nr_irqs) - return; - state = get_timer_rand_state(irq); if (state) @@ -1139,18 +1155,12 @@ static int random_fasync(int fd, struct file *filp, int on) return fasync_helper(fd, filp, on, &fasync); } -static int random_release(struct inode *inode, struct file *filp) -{ - return fasync_helper(-1, filp, 0, &fasync); -} - const struct file_operations random_fops = { .read = random_read, .write = random_write, .poll = random_poll, .unlocked_ioctl = random_ioctl, .fasync = random_fasync, - .release = random_release, }; const struct file_operations urandom_fops = { @@ -1158,7 +1168,6 @@ const struct file_operations urandom_fops = { .write = random_write, .unlocked_ioctl = random_ioctl, .fasync = random_fasync, - .release = random_release, }; /*************************************************************** |