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authorLinus Torvalds <torvalds@linux-foundation.org>2012-12-11 14:08:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-11 14:08:47 -0800
commitc6bd5bcc4983f1a2d2f87a3769bf309482ee8c04 (patch)
tree2ff9c4496dc2258d601a1bcd82040470704dae3b /arch/um
parent8966961b31c251b854169e9886394c2a20f2cea7 (diff)
parentb0ab02361167faa82198b783a8d555eb6f58901c (diff)
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Merge tag 'tty-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY/Serial merge from Greg Kroah-Hartman: "Here's the big tty/serial tree set of changes for 3.8-rc1. Contained in here is a bunch more reworks of the tty port layer from Jiri and bugfixes from Alan, along with a number of other tty and serial driver updates by the various driver authors. Also, Jiri has been coerced^Wconvinced to be the co-maintainer of the TTY layer, which is much appreciated by me. All of these have been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" Fixed up some trivial conflicts in the staging tree, due to the fwserial driver having come in both ways (but fixed up a bit in the serial tree), and the ioctl handling in the dgrp driver having been done slightly differently (staging tree got that one right, and removed both TIOCGSOFTCAR and TIOCSSOFTCAR). * tag 'tty-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (146 commits) staging: sb105x: fix potential NULL pointer dereference in mp_chars_in_buffer() staging/fwserial: Remove superfluous free staging/fwserial: Use WARN_ONCE when port table is corrupted staging/fwserial: Destruct embedded tty_port on teardown staging/fwserial: Fix build breakage when !CONFIG_BUG staging: fwserial: Add TTY-over-Firewire serial driver drivers/tty/serial/serial_core.c: clean up HIGH_BITS_OFFSET usage staging: dgrp: dgrp_tty.c: Audit the return values of get/put_user() staging: dgrp: dgrp_tty.c: Remove the TIOCSSOFTCAR ioctl handler from dgrp driver serial: ifx6x60: Add modem power off function in the platform reboot process serial: mxs-auart: unmap the scatter list before we copy the data serial: mxs-auart: disable the Receive Timeout Interrupt when DMA is enabled serial: max310x: Setup missing "can_sleep" field for GPIO tty/serial: fix ifx6x60.c declaration warning serial: samsung: add devicetree properties for non-Exynos SoCs serial: samsung: fix potential soft lockup during uart write tty: vt: Remove redundant null check before kfree. tty/8250 Add check for pci_ioremap_bar failure tty/8250 Add support for Commtech's Fastcom Async-335 and Fastcom Async-PCIe cards tty/8250 Add XR17D15x devices to the exar_handle_irq override ...
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/chan_kern.c17
-rw-r--r--arch/um/drivers/line.c2
2 files changed, 4 insertions, 15 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index c3bba73e4be6..e9a0abc6a32f 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -83,21 +83,8 @@ static const struct chan_ops not_configged_ops = {
static void tty_receive_char(struct tty_struct *tty, char ch)
{
- if (tty == NULL)
- return;
-
- if (I_IXON(tty) && !I_IXOFF(tty) && !tty->raw) {
- if (ch == STOP_CHAR(tty)) {
- stop_tty(tty);
- return;
- }
- else if (ch == START_CHAR(tty)) {
- start_tty(tty);
- return;
- }
- }
-
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ if (tty)
+ tty_insert_flip_char(tty, ch, TTY_NORMAL);
}
static int open_one_chan(struct chan *chan)
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index fd9a15b318af..9ffc28bd4b7a 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -584,6 +584,8 @@ int register_lines(struct line_driver *line_driver,
printk(KERN_ERR "register_lines : can't register %s driver\n",
line_driver->name);
put_tty_driver(driver);
+ for (i = 0; i < nlines; i++)
+ tty_port_destroy(&lines[i].port);
return err;
}