diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/tty/serial/crisv10.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/tty/serial/crisv10.c')
-rw-r--r-- | drivers/tty/serial/crisv10.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 3e4470af5..f13f2ebd2 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -3655,7 +3655,6 @@ rs_close(struct tty_struct *tty, struct file * filp) wake_up_interruptible(&info->port.open_wait); } info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->port.close_wait); local_irq_restore(flags); /* port closed */ @@ -3759,23 +3758,6 @@ block_til_ready(struct tty_struct *tty, struct file * filp, int do_clocal = 0; /* - * If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (info->port.flags & ASYNC_CLOSING) { - wait_event_interruptible_tty(tty, info->port.close_wait, - !(info->port.flags & ASYNC_CLOSING)); -#ifdef SERIAL_DO_RESTART - if (info->port.flags & ASYNC_HUP_NOTIFY) - return -EAGAIN; - else - return -ERESTARTSYS; -#else - return -EAGAIN; -#endif - } - - /* * If non-blocking mode is set, or the port is not enabled, * then make the check up front and then exit. */ @@ -3825,7 +3807,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp, #endif break; } - if (!(info->port.flags & ASYNC_CLOSING) && do_clocal) + if (do_clocal) /* && (do_clocal || DCD_IS_ASSERTED) */ break; if (signal_pending(current)) { @@ -3895,20 +3877,6 @@ rs_open(struct tty_struct *tty, struct file * filp) info->port.low_latency = !!(info->port.flags & ASYNC_LOW_LATENCY); /* - * If the port is in the middle of closing, bail out now - */ - if (info->port.flags & ASYNC_CLOSING) { - wait_event_interruptible_tty(tty, info->port.close_wait, - !(info->port.flags & ASYNC_CLOSING)); -#ifdef SERIAL_DO_RESTART - return ((info->port.flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); -#else - return -EAGAIN; -#endif - } - - /* * If DMA is enabled try to allocate the irq's. */ if (info->port.count == 1) { |