Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-09 06:33:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tty: Bracket ldisc release with TTY_DEBUG_HANGUP messages

Browse Source 
Expected typical log output:
[    2.437211] tty_open: opening pts1...
[    2.443376] tty_open: opening pts5...
[    2.447830] tty_release: ptm0 (tty count=1)...
[    2.447849] pts0 vhangup...
[    2.447865] tty_release: ptm0: final close
[    2.447876] tty_release: ptm0: freeing structure...
[    2.451634] tty_release: tty1 (tty count=1)...
[    2.451638] tty_release: tty1: final close
[    2.451654] tty_release: tty1: freeing structure...
[    2.452505] tty_release: pts5 (tty count=2)...
[    2.453029] tty_open: opening pts0...

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-03-11 16:44:37 -04:00 committed by Greg Kroah-Hartman
parent c878524174
commit 96433d104a
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/tty/tty_io.c
View File

@ -1836,7 +1836,7 @@ int tty_release(struct inode *inode, struct file *filp)
return 0;
#ifdef TTY_DEBUG_HANGUP
printk(KERN_DEBUG "%s: freeing tty structure...\n", __func__);
printk(KERN_DEBUG "%s: %s: final close\n", __func__, tty_name(tty, buf));
#endif
/*
* Ask the line discipline code to release its structures
@ -1848,6 +1848,9 @@ int tty_release(struct inode *inode, struct file *filp)
if (o_tty)
tty_flush_works(o_tty);
#ifdef TTY_DEBUG_HANGUP
printk(KERN_DEBUG "%s: %s: freeing structure...\n", __func__, tty_name(tty, buf));
#endif
/*
* The release_tty function takes care of the details of clearing
* the slots and preserving the termios structure. The tty_unlock_pair