tty: core: Prefer pr_* to printk(*)

Convert remaining printk() use to pr_*() when tty is unknown or
unsafe to use.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/tty_io.c

@@ -268,14 +268,12 @@ static int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
 {
 #ifdef TTY_PARANOIA_CHECK
 	if (!tty) {
-		printk(KERN_WARNING
-			"null TTY for (%d:%d) in %s\n",
+		pr_warn("(%d:%d): %s: NULL tty\n",
 			imajor(inode), iminor(inode), routine);
 		return 1;
 	}
 	if (tty->magic != TTY_MAGIC) {
-		printk(KERN_WARNING
-			"bad magic number for tty struct (%d:%d) in %s\n",
+		pr_warn("(%d:%d): %s: bad magic number\n",
 			imajor(inode), iminor(inode), routine);
 		return 1;
 	}

drivers/tty/tty_ioctl.c

@@ -458,10 +458,8 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
 	if (ifound == -1 && (ibaud != obaud || ibinput))
 		termios->c_cflag |= (BOTHER << IBSHIFT);
 #else
-	if (ifound == -1 || ofound == -1) {
-		printk_once(KERN_WARNING "tty: Unable to return correct "
-			  "speed data as your architecture needs updating.\n");
-	}
+	if (ifound == -1 || ofound == -1)
+		pr_warn_once("tty: Unable to return correct speed data as your architecture needs updating.\n");
 #endif
 }
 EXPORT_SYMBOL_GPL(tty_termios_encode_baud_rate);