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path: root/drivers/char/tty_io.c
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Diffstat (limited to 'drivers/char/tty_io.c')
-rw-r--r--drivers/char/tty_io.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 36098ee8fe65..959083961024 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1213,12 +1213,13 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p)
1213 * be held until the 'fast-open' is also done. Will change once we 1213 * be held until the 'fast-open' is also done. Will change once we
1214 * have refcounting in the driver and per driver locking 1214 * have refcounting in the driver and per driver locking
1215 */ 1215 */
1216struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int idx) 1216struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
1217 struct inode *inode, int idx)
1217{ 1218{
1218 struct tty_struct *tty; 1219 struct tty_struct *tty;
1219 1220
1220 if (driver->ops->lookup) 1221 if (driver->ops->lookup)
1221 return driver->ops->lookup(driver, idx); 1222 return driver->ops->lookup(driver, inode, idx);
1222 1223
1223 tty = driver->ttys[idx]; 1224 tty = driver->ttys[idx];
1224 return tty; 1225 return tty;
@@ -1539,10 +1540,11 @@ void tty_release_dev(struct file *filp)
1539 int devpts; 1540 int devpts;
1540 int idx; 1541 int idx;
1541 char buf[64]; 1542 char buf[64];
1543 struct inode *inode;
1542 1544
1545 inode = filp->f_path.dentry->d_inode;
1543 tty = (struct tty_struct *)filp->private_data; 1546 tty = (struct tty_struct *)filp->private_data;
1544 if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, 1547 if (tty_paranoia_check(tty, inode, "tty_release_dev"))
1545 "tty_release_dev"))
1546 return; 1548 return;
1547 1549
1548 check_tty_count(tty, "tty_release_dev"); 1550 check_tty_count(tty, "tty_release_dev");
@@ -1751,7 +1753,7 @@ void tty_release_dev(struct file *filp)
1751 1753
1752 /* Make this pty number available for reallocation */ 1754 /* Make this pty number available for reallocation */
1753 if (devpts) 1755 if (devpts)
1754 devpts_kill_index(idx); 1756 devpts_kill_index(inode, idx);
1755} 1757}
1756 1758
1757/** 1759/**
@@ -1836,7 +1838,7 @@ retry_open:
1836got_driver: 1838got_driver:
1837 if (!tty) { 1839 if (!tty) {
1838 /* check whether we're reopening an existing tty */ 1840 /* check whether we're reopening an existing tty */
1839 tty = tty_driver_lookup_tty(driver, index); 1841 tty = tty_driver_lookup_tty(driver, inode, index);
1840 1842
1841 if (IS_ERR(tty)) 1843 if (IS_ERR(tty))
1842 return PTR_ERR(tty); 1844 return PTR_ERR(tty);