commit 6131ffaa1f091415b7a24abb01f033d9c0a727f4
author Al Viro <viro@zeniv.linux.org.uk> Wed Feb 27 16:59:05 2013 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Wed Feb 27 16:59:05 2013 -0500
tree 8983574e9458a5328a30900cb3466e3648421355
parent 45e09bd51b2be1fbb86c2e3d5bb00d32744f1ecb

more file_inode() open-coded instances

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/tty/tty_io.c

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index fd47363..05400ac 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -960,11 +960,10 @@
 			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 @@
 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 @@
 	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 @@
 	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 @@
 	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 @@
 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) {