diff options
Diffstat (limited to 'arch/um/drivers/mmapper_kern.c')
-rw-r--r-- | arch/um/drivers/mmapper_kern.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c index eb240323c40..8501e7d0015 100644 --- a/arch/um/drivers/mmapper_kern.c +++ b/arch/um/drivers/mmapper_kern.c @@ -16,7 +16,7 @@ #include <linux/miscdevice.h> #include <linux/module.h> #include <linux/mm.h> -#include <linux/smp_lock.h> + #include <asm/uaccess.h> #include "mem_user.h" @@ -46,8 +46,7 @@ static ssize_t mmapper_write(struct file *file, const char __user *buf, return count; } -static int mmapper_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { return -ENOIOCTLCMD; } @@ -78,7 +77,6 @@ out: static int mmapper_open(struct inode *inode, struct file *file) { - cycle_kernel_lock(); return 0; } @@ -91,10 +89,11 @@ static const struct file_operations mmapper_fops = { .owner = THIS_MODULE, .read = mmapper_read, .write = mmapper_write, - .ioctl = mmapper_ioctl, + .unlocked_ioctl = mmapper_ioctl, .mmap = mmapper_mmap, .open = mmapper_open, .release = mmapper_release, + .llseek = default_llseek, }; /* @@ -115,18 +114,16 @@ static int __init mmapper_init(void) v_buf = (char *) find_iomem("mmapper", &mmapper_size); if (mmapper_size == 0) { printk(KERN_ERR "mmapper_init - find_iomem failed\n"); - goto out; + return -ENODEV; } + p_buf = __pa(v_buf); err = misc_register(&mmapper_dev); if (err) { printk(KERN_ERR "mmapper - misc_register failed, err = %d\n", err); - goto out; + return err;; } - - p_buf = __pa(v_buf); -out: return 0; } |