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authorKevin Hilman <khilman@linaro.org>2015-12-17 08:48:38 -0800
committerKevin Hilman <khilman@linaro.org>2015-12-17 08:48:38 -0800
commit906d9eadd3b6698fa6ceb9bcdf41da6aa56d0a24 (patch)
treeb258d06410e154ce58d9b0d16ffba0834ff2a1ac /drivers/tty/tty_ioctl.c
parentd3d3a134d75d28034b950bc0b6682ba0be976f37 (diff)
parent9f41e6b222c4a04c7b46068df82842a6188b4a57 (diff)
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.01-rtlsk-v4.1-15.12-rt
Diffstat (limited to 'drivers/tty/tty_ioctl.c')
-rw-r--r--drivers/tty/tty_ioctl.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 8e53fe469664..7bbf86b94716 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1144,16 +1144,12 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
spin_unlock_irq(&tty->flow_lock);
break;
case TCIOFF:
- down_read(&tty->termios_rwsem);
if (STOP_CHAR(tty) != __DISABLED_CHAR)
retval = tty_send_xchar(tty, STOP_CHAR(tty));
- up_read(&tty->termios_rwsem);
break;
case TCION:
- down_read(&tty->termios_rwsem);
if (START_CHAR(tty) != __DISABLED_CHAR)
retval = tty_send_xchar(tty, START_CHAR(tty));
- up_read(&tty->termios_rwsem);
break;
default:
return -EINVAL;