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-rw-r--r--arch/mips/kernel/rtlx.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index b88f1c18ff4..dfd868b6836 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -28,6 +28,7 @@
#include <linux/vmalloc.h>
#include <linux/elf.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/moduleloader.h>
#include <linux/interrupt.h>
@@ -392,8 +393,12 @@ out:
static int file_open(struct inode *inode, struct file *filp)
{
int minor = iminor(inode);
+ int err;
- return rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1);
+ lock_kernel();
+ err = rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1);
+ unlock_kernel();
+ return err;
}
static int file_release(struct inode *inode, struct file *filp)
@@ -517,8 +522,8 @@ static int __init rtlx_module_init(void)
atomic_set(&channel_wqs[i].in_open, 0);
mutex_init(&channel_wqs[i].mutex);
- dev = device_create(mt_class, NULL, MKDEV(major, i),
- "%s%d", module_name, i);
+ dev = device_create_drvdata(mt_class, NULL, MKDEV(major, i),
+ NULL, "%s%d", module_name, i);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_chrdev;