linux/drivers/tty/pty.c, branch v3.4.33

Remove all #inclusions of asm/system.h

2012-03-28T17:30:03Z

Remove all #inclusions of asm/system.h preparatory to splitting and killing it. Performed with the following command: perl -p -i -e 's!^#\s*include\s*.*\n!!' `grep -Irl '^#\s*include\s*' *` Signed-off-by: David Howells

TTY: remove re-assignments to tty_driver members

2012-03-08T19:37:58Z

All num, magic and owner are set by alloc_tty_driver. No need to re-set them on each allocation site. pti driver sets something different to what it passes to alloc_tty_driver. It is not a bug, since we don't use the lines parameter in any way. Anyway this is fixed, and now we do the right thing. Signed-off-by: Jiri Slaby Acked-by: Tilman Schmidt Signed-off-by: Greg Kroah-Hartman

Revert "TTY: pty, remove superfluous ptm test"

2012-02-24T21:56:36Z

This reverts commit a50f724a432997321cabb6c9e665c28e34850f78. Sasha reported that this causes problems, so revert it. Cc: Alan Cox Cc: Jiri Slaby Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman

Revert "TTY: get rid of BTM around devpts_*"

2012-02-24T21:55:54Z

This reverts commit d3bda5298aad98c7a27678bdd0dd9d008ab9e685. Sasha reported that this causes problems, so revert it. Cc: Sasha Levin Cc: Jiri Slaby Signed-off-by: Greg Kroah-Hartman

TTY: get rid of BTM around devpts_*

2012-02-02T23:10:46Z

devpts operations are protected by inode mutexes and dentry refcounting. There is no need to hold BTM. Signed-off-by: Jiri Slaby Signed-off-by: Greg Kroah-Hartman

TTY: pty, remove superfluous ptm test

2012-02-02T23:10:46Z

The code looks like: if (tty->driver->subtype == PTY_TYPE_MASTER) { ... if (tty->driver == ptm_driver) But the second if is superfluous because only the ptm_driver is of PTY_TYPE_MASTER subtype. Also we can remove the #if now because devpts_pty_kill is defined as an empty function for non-CONFIG_UNIX98_PTYS configs. Signed-off-by: Jiri Slaby Acked-by: Alan Cox Signed-off-by: Greg Kroah-Hartman

tty: move pty count limiting into devpts

2012-01-24T22:00:41Z

Let's move this stuff to the better place, where we can account pty right in tty-indexes managing code. Signed-off-by: Konstantin Khlebnikov Signed-off-by: Greg Kroah-Hartman

tty: cleanup prohibition of direct opening for unix98 pty master

2012-01-24T21:56:10Z

cleanup hack added in v2.6.27-3203-g15582d3 comment from that patch: : pty: If the administrator creates a device for a ptmx slave we should not error : : The open path for ptmx slaves is via the ptmx device. Opening them any : other way is not allowed. Vegard Nossum found that previously this was not : the case and mknod foo c 128 42; cat foo would produce nasty diagnostics : : Signed-off-by: Alan Cox : Signed-off-by: Linus Torvalds devpts_get_tty() returns non-null only for inodes on devpts, but there is no inodes for master-devices, /dev/ptmx (/dev/pts/ptmx) is the only way to open them. Thus we can completely forbid lookup for master-devices and eliminate that hack in tty_init_dev() because tty_open() will get EIO from tty_driver_lookup_tty(). Signed-off-by: Konstantin Khlebnikov Signed-off-by: Greg Kroah-Hartman

TTY: pty, cleanup the pty counting

2011-11-17T19:42:09Z

Instead of the hackish way of counting ptys, let's define a specific ->remove hook both from slave and master. And decrease the count only for master. Signed-off-by: Jiri Slaby Cc: Alan Cox Signed-off-by: Greg Kroah-Hartman

Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2011-10-26T13:11:09Z

* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (79 commits) TTY: serial_core: Fix crash if DCD drop during suspend tty/serial: atmel_serial: bootconsole removed from auto-enumerates Revert "TTY: call tty_driver_lookup_tty unconditionally" tty/serial: atmel_serial: add device tree support tty/serial: atmel_serial: auto-enumerate ports tty/serial: atmel_serial: whitespace and braces modifications tty/serial: atmel_serial: change platform_data variable name tty/serial: RS485 bindings for device tree TTY: call tty_driver_lookup_tty unconditionally TTY: pty, release tty in all ptmx_open fail paths TTY: make tty_add_file non-failing TTY: drop driver reference in tty_open fail path 8250_pci: Fix kernel panic when pch_uart is disabled h8300: drivers/serial/Kconfig was moved parport_pc: release IO region properly if unsupported ITE887x card is found tty: Support compat_ioctl get/set termios_locked hvc_console: display printk messages on console. TTY: snyclinkmp: forever loop in tx_load_dma_buffer() tty/n_gsm: avoid fifo overflow in gsm_dlci_data_output tty/n_gsm: fix a bug in gsm_dlci_data_output (adaption = 2 case) ... Fix up Conflicts in: - drivers/tty/serial/8250_pci.c Trivial conflict with removed duplicate device ID - drivers/tty/serial/atmel_serial.c Annoying silly conflict between "specify the port num via platform_data" and other changes to atmel_console_init