X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fchar%2Fmmtimer.c;h=c09160383a5332c9635c4813215dabd9063bade8;hp=70b774ff5aa411363c646546b67f5ea8338520a0;hb=1c1afa3c053d4ccdf44e5a4e159005cdfd48bfc6;hpb=0a1340c185734a57fbf4775927966ad4a1347b02 diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 70b774ff5aa4..c09160383a53 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -63,7 +63,7 @@ static int mmtimer_mmap(struct file *file, struct vm_area_struct *vma); */ static unsigned long mmtimer_femtoperiod = 0; -static struct file_operations mmtimer_fops = { +static const struct file_operations mmtimer_fops = { .owner = THIS_MODULE, .mmap = mmtimer_mmap, .ioctl = mmtimer_ioctl, @@ -422,7 +422,6 @@ static int inline reschedule_periodic_timer(mmtimer_t *x) * mmtimer_interrupt - timer interrupt handler * @irq: irq received * @dev_id: device the irq came from - * @regs: register state upon receipt of the interrupt * * Called when one of the comarators matches the counter, This * routine will send signals to processes that have requested @@ -433,7 +432,7 @@ static int inline reschedule_periodic_timer(mmtimer_t *x) * registers. */ static irqreturn_t -mmtimer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +mmtimer_interrupt(int irq, void *dev_id) { int i; unsigned long expires = 0; @@ -681,7 +680,7 @@ static int __init mmtimer_init(void) if (sn_rtc_cycles_per_second < 100000) { printk(KERN_ERR "%s: unable to determine clock frequency\n", MMTIMER_NAME); - return -1; + goto out1; } mmtimer_femtoperiod = ((unsigned long)1E15 + sn_rtc_cycles_per_second / @@ -690,13 +689,13 @@ static int __init mmtimer_init(void) if (request_irq(SGI_MMTIMER_VECTOR, mmtimer_interrupt, IRQF_PERCPU, MMTIMER_NAME, NULL)) { printk(KERN_WARNING "%s: unable to allocate interrupt.", MMTIMER_NAME); - return -1; + goto out1; } if (misc_register(&mmtimer_miscdev)) { printk(KERN_ERR "%s: failed to register device\n", MMTIMER_NAME); - return -1; + goto out2; } /* Get max numbered node, calculate slots needed */ @@ -710,16 +709,18 @@ static int __init mmtimer_init(void) if (timers == NULL) { printk(KERN_ERR "%s: failed to allocate memory for device\n", MMTIMER_NAME); - return -1; + goto out3; } + memset(timers,0,(sizeof(mmtimer_t *)*maxn)); + /* Allocate mmtimer_t's for each online node */ for_each_online_node(node) { timers[node] = kmalloc_node(sizeof(mmtimer_t)*NUM_COMPARATORS, GFP_KERNEL, node); if (timers[node] == NULL) { printk(KERN_ERR "%s: failed to allocate memory for device\n", MMTIMER_NAME); - return -1; + goto out4; } for (i=0; i< NUM_COMPARATORS; i++) { mmtimer_t * base = timers[node] + i; @@ -740,6 +741,17 @@ static int __init mmtimer_init(void) sn_rtc_cycles_per_second/(unsigned long)1E6); return 0; + +out4: + for_each_online_node(node) { + kfree(timers[node]); + } +out3: + misc_deregister(&mmtimer_miscdev); +out2: + free_irq(SGI_MMTIMER_VECTOR, NULL); +out1: + return -1; } module_init(mmtimer_init);