A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge 3.12-rc4 into tty-next

Browse source 
We want the tty fixes in this branch as well.

Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2013-10-06 17:28:16 -07:00
commit 97a7729a5c
316 changed files with 2821 additions and 1750 deletions
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1
drivers/tty/hvc/hvc_xen.c
View file

@ -636,6 +636,7 @@ struct console xenboot_console = {
.name = "xenboot",
.write = xenboot_write_console,
.flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME,
.index = -1,
};
#endif /* CONFIG_EARLY_PRINTK */

46
drivers/tty/n_tty.c
View file

@ -2176,28 +2176,34 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
if (!input_available_p(tty, 0)) {
if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
retval = -EIO;
break;
}
if (tty_hung_up_p(file))
break;
if (!timeout)
break;
if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
break;
}
if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
}
n_tty_set_room(tty);
up_read(&tty->termios_rwsem);
up_read(&tty->termios_rwsem);
tty_flush_to_ldisc(tty);
down_read(&tty->termios_rwsem);
if (!input_available_p(tty, 0)) {
retval = -EIO;
break;
}
} else {
if (tty_hung_up_p(file))
break;
if (!timeout)
break;
if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
break;
}
if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
}
n_tty_set_room(tty);
up_read(&tty->termios_rwsem);
timeout = schedule_timeout(timeout);
timeout = schedule_timeout(timeout);
down_read(&tty->termios_rwsem);
continue;
down_read(&tty->termios_rwsem);
continue;
}
}
__set_current_state(TASK_RUNNING);