[PATCH] Char: mxser_new, do not null driver_data

driver_data are initialzed to NULL from tty layer, no need to do it in the
driver.  In this case it cases oops, since driver_data may be NULL for a short
while for another closing process.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: <osv@javad.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 4c805496fb36..1c8e00c4caad 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -927,9 +927,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
         struct mxser_port *info;
         int retval, line;
 
-        /* initialize driver_data in case something fails */
-        tty->driver_data = NULL;
-
         line = tty->index;
         if (line == MXSER_PORTS)
                 return 0;