diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 3e36ecf98624d5574d3e3786b5e497f31c9697bf..1a2d90fe86dac987018ce9ad690e745bd1551503 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -363,7 +363,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios, * The spd_hi, spd_vhi, spd_shi, spd_warp kludge... * Die! Die! Die! */ - if (baud == 38400) + if (try == 0 && baud == 38400) baud = altbaud; /* diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index aa83cd1bf07161c95dd1ea9f46cce878129f3589..4bd48f79b94bd0bc9f2e8a409dfecf308f0e59b2 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1763,6 +1763,8 @@ int tty_release(struct inode *inode, struct file *filp) int do_sleep, final; int idx; char buf[64]; + long timeout = 0; + int once = 1; if (tty_paranoia_check(tty, inode, __func__)) return 0; @@ -1832,9 +1834,16 @@ int tty_release(struct inode *inode, struct file *filp) if (!do_sleep) break; - printk(KERN_WARNING "%s: %s: read/write wait queue active!\n", - __func__, tty_name(tty, buf)); - schedule(); + if (once) { + once = 0; + printk(KERN_WARNING "%s: %s: read/write wait queue active!\n", + __func__, tty_name(tty, buf)); + } + schedule_timeout_killable(timeout); + if (timeout < 120 * HZ) + timeout = 2 * timeout + 1; + else + timeout = MAX_SCHEDULE_TIMEOUT; } if (o_tty) {