diff options
Diffstat (limited to 'drivers/pnp/isapnp/proc.c')
| -rw-r--r-- | drivers/pnp/isapnp/proc.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index e73ebefdf3e..5edee645d89 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -21,7 +21,6 @@ #include <linux/isapnp.h> #include <linux/proc_fs.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> extern struct pnp_protocol isapnp_protocol; @@ -30,35 +29,13 @@ static struct proc_dir_entry *isapnp_proc_bus_dir = NULL; static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence) { - loff_t new = -1; - struct inode *inode = file->f_path.dentry->d_inode; - - mutex_lock(&inode->i_mutex); - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - case 2: - new = 256 + off; - break; - } - if (new < 0 || new > 256) - new = -EINVAL; - else - file->f_pos = new; - mutex_unlock(&inode->i_mutex); - return new; + return fixed_size_llseek(file, off, whence, 256); } static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf, size_t nbytes, loff_t * ppos) { - struct inode *ino = file->f_path.dentry->d_inode; - struct proc_dir_entry *dp = PDE(ino); - struct pnp_dev *dev = dp->data; + struct pnp_dev *dev = PDE_DATA(file_inode(file)); int pos = *ppos; int cnt, size = 256; @@ -108,7 +85,7 @@ static int isapnp_proc_attach_device(struct pnp_dev *dev) &isapnp_proc_bus_file_operations, dev); if (!e) return -ENOMEM; - e->size = 256; + proc_set_size(e, 256); return 0; } |