bkl: Remove locked .ioctl file operation

The last user is gone, so we can safely remove this

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Arnd Bergmann 2010-07-04 00:15:10 +02:00 committed by Frederic Weisbecker
parent c6d7ba8b12
commit b19dd42faf
7 changed files with 13 additions and 51 deletions

View file

@ -214,8 +214,7 @@ static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigne
{
struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
long rv = -ENOTTY;
long (*unlocked_ioctl)(struct file *, unsigned int, unsigned long);
int (*ioctl)(struct inode *, struct file *, unsigned int, unsigned long);
long (*ioctl)(struct file *, unsigned int, unsigned long);
spin_lock(&pde->pde_unload_lock);
if (!pde->proc_fops) {
@ -223,19 +222,11 @@ static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigne
return rv;
}
pde->pde_users++;
unlocked_ioctl = pde->proc_fops->unlocked_ioctl;
ioctl = pde->proc_fops->ioctl;
ioctl = pde->proc_fops->unlocked_ioctl;
spin_unlock(&pde->pde_unload_lock);
if (unlocked_ioctl) {
rv = unlocked_ioctl(file, cmd, arg);
if (rv == -ENOIOCTLCMD)
rv = -EINVAL;
} else if (ioctl) {
WARN_ONCE(1, "Procfs ioctl handlers must use unlocked_ioctl, "
"%pf will be called without the Bkl held\n", ioctl);
rv = ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
}
if (ioctl)
rv = ioctl(file, cmd, arg);
pde_users_dec(pde);
return rv;