diff options
author | Jeff Dike <jdike@addtoit.com> | 2007-10-16 01:27:34 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:09 -0700 |
commit | cb8fa61c2b8b29d422d7310f064d60022f18f89b (patch) | |
tree | f5c8ac78b109e6c76e05250d19fd75e28c47dc74 /arch/um/drivers/mmapper_kern.c | |
parent | 54ae36f24b103e521dd683f66fe72b0584ccb7e2 (diff) |
uml: arch/um/drivers formatting
Style fixes for the rest of the drivers. arch/um/drivers should be pretty
CodingStyle-compliant now.
Except for the ubd driver, which will have to be treated separately.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/drivers/mmapper_kern.c')
-rw-r--r-- | arch/um/drivers/mmapper_kern.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c index 867666a02339..67b2f55a602f 100644 --- a/arch/um/drivers/mmapper_kern.c +++ b/arch/um/drivers/mmapper_kern.c @@ -9,27 +9,29 @@ * */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> +#include <linux/stddef.h> +#include <linux/types.h> #include <linux/fs.h> +#include <linux/init.h> #include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/mm.h> #include <asm/uaccess.h> #include "mem_user.h" - + /* These are set in mmapper_init, which is called at boot time */ static unsigned long mmapper_size; -static unsigned long p_buf = 0; -static char *v_buf = NULL; +static unsigned long p_buf; +static char *v_buf; -static ssize_t -mmapper_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) +static ssize_t mmapper_read(struct file *file, char __user *buf, size_t count, + loff_t *ppos) { return simple_read_from_buffer(buf, count, ppos, v_buf, mmapper_size); } -static ssize_t -mmapper_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) +static ssize_t mmapper_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) { if (*ppos > mmapper_size) return -EINVAL; @@ -39,48 +41,46 @@ mmapper_write(struct file *file, const char __user *buf, size_t count, loff_t *p if (copy_from_user(&v_buf[*ppos], buf, count)) return -EFAULT; - + return count; } -static int -mmapper_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static int mmapper_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { - return(-ENOIOCTLCMD); + return -ENOIOCTLCMD; } -static int -mmapper_mmap(struct file *file, struct vm_area_struct * vma) +static int mmapper_mmap(struct file *file, struct vm_area_struct *vma) { int ret = -EINVAL; int size; if (vma->vm_pgoff != 0) goto out; - + size = vma->vm_end - vma->vm_start; - if(size > mmapper_size) return(-EFAULT); + if (size > mmapper_size) + return -EFAULT; - /* XXX A comment above remap_pfn_range says it should only be + /* + * XXX A comment above remap_pfn_range says it should only be * called when the mm semaphore is held */ if (remap_pfn_range(vma, vma->vm_start, p_buf >> PAGE_SHIFT, size, - vma->vm_page_prot)) + vma->vm_page_prot)) goto out; ret = 0; out: return ret; } -static int -mmapper_open(struct inode *inode, struct file *file) +static int mmapper_open(struct inode *inode, struct file *file) { return 0; } -static int -mmapper_release(struct inode *inode, struct file *file) +static int mmapper_release(struct inode *inode, struct file *file) { return 0; } @@ -95,7 +95,9 @@ static const struct file_operations mmapper_fops = { .release = mmapper_release, }; -/* No locking needed - only used (and modified) by below initcall and exitcall. */ +/* + * No locking needed - only used (and modified) by below initcall and exitcall. + */ static struct miscdevice mmapper_dev = { .minor = MISC_DYNAMIC_MINOR, .name = "mmapper", @@ -109,13 +111,13 @@ static int __init mmapper_init(void) printk(KERN_INFO "Mapper v0.1\n"); v_buf = (char *) find_iomem("mmapper", &mmapper_size); - if(mmapper_size == 0){ + if (mmapper_size == 0) { printk(KERN_ERR "mmapper_init - find_iomem failed\n"); goto out; } err = misc_register(&mmapper_dev); - if(err){ + if (err) { printk(KERN_ERR "mmapper - misc_register failed, err = %d\n", err); goto out; @@ -136,9 +138,3 @@ module_exit(mmapper_exit); MODULE_AUTHOR("Greg Lonnon <glonnon@ridgerun.com>"); MODULE_DESCRIPTION("DSPLinux simulator mmapper driver"); -/* - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |