tty_io: fasync BKL pushdown (5d1e3230) · Commits · e / devices / android_kernel_teracube_2e

drivers/char/tty_io.c

+9 −5

Original line number	Diff line number	Diff line
		@@ -2909,15 +2909,16 @@ static int tty_fasync(int fd, struct file *filp, int on)
		{
		struct tty_struct *tty;
		unsigned long flags;
		int retval;
		int retval = 0;

		lock_kernel();
		tty = (struct tty_struct *)filp->private_data;
		if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_fasync"))
		return 0;
		goto out;

		retval = fasync_helper(fd, filp, on, &tty->fasync);
		if (retval <= 0)
		return retval;
		goto out;

		if (on) {
		enum pid_type type;
		@@ -2935,12 +2936,15 @@ static int tty_fasync(int fd, struct file *filp, int on)
		spin_unlock_irqrestore(&tty->ctrl_lock, flags);
		retval = __f_setown(filp, pid, type, 0);
		if (retval)
		return retval;
		goto out;
		} else {
		if (!tty->fasync && !waitqueue_active(&tty->read_wait))
		tty->minimum_to_wake = N_TTY_BUF_SIZE;
		}
		return 0;
		retval = 0;
		out:
		unlock_kernel();
		return retval;
		}

		/**