Fix misspellings of "system", "controller", "interrupt" and "necessary".

Fix the various misspellings of "system", controller", "interrupt" and
"[un]necessary".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 13a53575a016..f36fecd3fd26 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -943,7 +943,7 @@ EXPORT_SYMBOL_GPL(tty_ldisc_deref);
  *      @tty: terminal to activate ldisc on
  *
  *      Set the TTY_LDISC flag when the line discipline can be called
- *      again. Do neccessary wakeups for existing sleepers.
+ *      again. Do necessary wakeups for existing sleepers.
  *
  *      Note: nobody should set this bit except via this function. Clearing
  *      directly is allowed.
@@ -1504,7 +1504,7 @@ EXPORT_SYMBOL(tty_hangup);
  *
  *      The user has asked via system call for the terminal to be hung up.
  *      We do this synchronously so that when the syscall returns the process
- *      is complete. That guarantee is neccessary for security reasons.
+ *      is complete. That guarantee is necessary for security reasons.
  */
 
 void tty_vhangup(struct tty_struct * tty)
@@ -1691,7 +1691,7 @@ EXPORT_SYMBOL(stop_tty);
  *      @tty: tty to start
  *
  *      Start a tty that has been stopped if at all possible. Perform
- *      any neccessary wakeups and propagate the TIOCPKT status. If this
+ *      any necessary wakeups and propagate the TIOCPKT status. If this
  *      is the tty was previous stopped and is being started then the
  *      driver start method is invoked and the line discipline woken.
  *
@@ -2877,7 +2877,7 @@ static int tty_fasync(int fd, struct file * filp, int on)
  *      @tty: tty to fake input into
  *      @p: pointer to character
  *
- *      Fake input to a tty device. Does the neccessary locking and
+ *      Fake input to a tty device. Does the necessary locking and
  *      input management.
  *
  *      FIXME: does not honour flow control ??