diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index fd473639ab7..05400acbc45 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -960,11 +960,10 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { int i; - struct inode *inode = file->f_path.dentry->d_inode; struct tty_struct *tty = file_tty(file); struct tty_ldisc *ld; - if (tty_paranoia_check(tty, inode, "tty_read")) + if (tty_paranoia_check(tty, file_inode(file), "tty_read")) return -EIO; if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags))) return -EIO; @@ -1132,12 +1131,11 @@ void tty_write_message(struct tty_struct *tty, char *msg) static ssize_t tty_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode = file->f_path.dentry->d_inode; struct tty_struct *tty = file_tty(file); struct tty_ldisc *ld; ssize_t ret; - if (tty_paranoia_check(tty, inode, "tty_write")) + if (tty_paranoia_check(tty, file_inode(file), "tty_write")) return -EIO; if (!tty || !tty->ops->write || (test_bit(TTY_IO_ERROR, &tty->flags))) @@ -2047,7 +2045,7 @@ static unsigned int tty_poll(struct file *filp, poll_table *wait) struct tty_ldisc *ld; int ret = 0; - if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_poll")) + if (tty_paranoia_check(tty, file_inode(filp), "tty_poll")) return 0; ld = tty_ldisc_ref_wait(tty); @@ -2063,7 +2061,7 @@ static int __tty_fasync(int fd, struct file *filp, int on) unsigned long flags; int retval = 0; - if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_fasync")) + if (tty_paranoia_check(tty, file_inode(filp), "tty_fasync")) goto out; retval = fasync_helper(fd, filp, on, &tty->fasync); @@ -2637,9 +2635,8 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) void __user *p = (void __user *)arg; int retval; struct tty_ldisc *ld; - struct inode *inode = file->f_dentry->d_inode; - if (tty_paranoia_check(tty, inode, "tty_ioctl")) + if (tty_paranoia_check(tty, file_inode(file), "tty_ioctl")) return -EINVAL; real_tty = tty_pair_get_tty(tty); @@ -2780,12 +2777,11 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static long tty_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct inode *inode = file->f_dentry->d_inode; struct tty_struct *tty = file_tty(file); struct tty_ldisc *ld; int retval = -ENOIOCTLCMD; - if (tty_paranoia_check(tty, inode, "tty_ioctl")) + if (tty_paranoia_check(tty, file_inode(file), "tty_ioctl")) return -EINVAL; if (tty->ops->compat_ioctl) { |