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authorPaolo Bonzini <pbonzini@redhat.com>2015-11-24 19:34:40 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2015-11-24 19:34:40 +0100
commit8bd142c01648cdb33e9bcafa0448ba2c20ed814c (patch)
tree9197c60d3f9d4036f38f281a183e94750ceea1d7 /drivers/tty/tty_ioctl.c
parentd792abacaf1a1a8dfea353fab699b97fa6251c2a (diff)
parentfbb4574ce9a37e15a9872860bf202f2be5bdf6c4 (diff)
Merge tag 'kvm-arm-for-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM Fixes for v4.4-rc3. Includes some timer fixes, properly unmapping PTEs, an errata fix, and two tweaks to the EL2 panic code.
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 9c5aebfe7053..1445dd39aa62 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1147,16 +1147,12 @@ 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;