]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/char/mmtimer.c
IDE: Coding Style fixes to drivers/ide/pci/it8213.c
[linux-2.6-omap-h63xx.git] / drivers / char / mmtimer.c
index 1f0f2b6dae2658e8736842db0d91c5ea3d90d929..e60a74c66e3dfa05c00eb45596829e77932ce5c1 100644 (file)
@@ -25,6 +25,7 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
+#include <linux/fs.h>
 #include <linux/mmtimer.h>
 #include <linux/miscdevice.h>
 #include <linux/posix-timers.h>
@@ -422,7 +423,6 @@ 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 +433,7 @@ 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 +681,7 @@ 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 +690,13 @@ 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 */
@@ -706,11 +706,11 @@ static int __init mmtimer_init(void)
        maxn++;
 
        /* Allocate list of node ptrs to mmtimer_t's */
-       timers = kmalloc(sizeof(mmtimer_t *)*maxn, GFP_KERNEL);
+       timers = kzalloc(sizeof(mmtimer_t *)*maxn, GFP_KERNEL);
        if (timers == NULL) {
                printk(KERN_ERR "%s: failed to allocate memory for device\n",
                                MMTIMER_NAME);
-               return -1;
+               goto out3;
        }
 
        /* Allocate mmtimer_t's for each online node */
@@ -719,7 +719,7 @@ static int __init mmtimer_init(void)
                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 +740,17 @@ 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);