Merge branch 'linus' into x86/amd-iommu

[linux-2.6-omap-h63xx.git] / drivers / char / mwave / mwavedd.c

diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index 39a2e661ff550e1ba50848539940c3a0e1e439b6..50243fcd87e882656069cce5492b92b53469d4f7 100644 (file)
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -56,6 +56,7 @@
 #include <linux/serial.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+#include <linux/smp_lock.h>
 #include <linux/delay.h>
 #include <linux/serial_8250.h>
 #include "smapi.h"
@@ -100,6 +101,7 @@ static int mwave_open(struct inode *inode, struct file *file)
        PRINTK_2(TRACE_MWAVE,
                "mwavedd::mwave_open, exit return retval %x\n", retval);
 
+       cycle_kernel_lock();
        return retval;
 }
 
@@ -297,7 +299,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
                                " ipcnum %x, usIntCount %x\n",
                                ipcnum,
                                pDrvData->IPCs[ipcnum].usIntCount);
-                       if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
+                       if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
                                PRINTK_ERROR(KERN_ERR_MWAVE
                                                "mwavedd::mwave_ioctl:"
                                                " IOCTL_MW_GET_IPC: Error:"
@@ -355,7 +357,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
                                "mwavedd::mwave_ioctl IOCTL_MW_UNREGISTER_IPC"
                                " ipcnum %x\n",
                                ipcnum);
-                       if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
+                       if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
                                PRINTK_ERROR(KERN_ERR_MWAVE
                                                "mwavedd::mwave_ioctl:"
                                                " IOCTL_MW_UNREGISTER_IPC:"