diff options
Diffstat (limited to 'drivers/char/tty_io.c')
| -rw-r--r-- | drivers/char/tty_io.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 1d298c2cf93..750131010af 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -78,6 +78,7 @@ #include <linux/tty_flip.h> #include <linux/devpts_fs.h> #include <linux/file.h> +#include <linux/fdtable.h> #include <linux/console.h> #include <linux/timer.h> #include <linux/ctype.h> @@ -1214,10 +1215,11 @@ int tty_check_change(struct tty_struct *tty) if (!tty->pgrp) { printk(KERN_WARNING "tty_check_change: tty->pgrp == NULL!\n"); - goto out; + goto out_unlock; } if (task_pgrp(current) == tty->pgrp) - goto out; + goto out_unlock; + spin_unlock_irqrestore(&tty->ctrl_lock, flags); if (is_ignored(SIGTTOU)) goto out; if (is_current_pgrp_orphaned()) { @@ -1228,6 +1230,8 @@ int tty_check_change(struct tty_struct *tty) set_thread_flag(TIF_SIGPENDING); ret = -ERESTARTSYS; out: + return ret; +out_unlock: spin_unlock_irqrestore(&tty->ctrl_lock, flags); return ret; } @@ -3318,7 +3322,7 @@ static int send_break(struct tty_struct *tty, unsigned int duration) msleep_interruptible(duration); tty->ops->break_ctl(tty, 0); tty_write_unlock(tty); - if (!signal_pending(current)) + if (signal_pending(current)) return -EINTR; return 0; } |