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authorAlan Cox <alan@linux.intel.com>2010-04-23 19:01:18 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-04-30 20:20:33 +0400
commita2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7 (patch)
tree74933d064c4933f3b84a0e6943caf50f5fe9ba9e /drivers/char/isicom.c
parent66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff)
downloadlinux-a2d1e3516c80027b2da17fb0b7ccd36f0ac33aa7.tar.xz
tty: Fix regressions in the char driver conversion
This forgot to update a field in the old char drivers. The fact nobody has basically noticed (except one mxser user) rather suggests most of these drivers could go into the bitbucket. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Dan Carpenter <error27@gmail.com> Cc: Andreas Pretzsch <apr@cn-eng.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char/isicom.c')
-rw-r--r--drivers/char/isicom.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 0fa2e4a0835d..c1ab303455cf 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -879,8 +879,8 @@ static int isicom_open(struct tty_struct *tty, struct file *filp)
if (tport == NULL)
return -ENODEV;
port = container_of(tport, struct isi_port, port);
- card = &isi_card[BOARD(tty->index)];
+ tty->driver_data = port;
return tty_port_open(tport, tty, filp);
}
@@ -936,7 +936,12 @@ static void isicom_shutdown(struct tty_port *port)
static void isicom_close(struct tty_struct *tty, struct file *filp)
{
struct isi_port *ip = tty->driver_data;
- struct tty_port *port = &ip->port;
+ struct tty_port *port;
+
+ if (ip == NULL)
+ return;
+
+ port = &ip->port;
if (isicom_paranoia_check(ip, tty->name, "isicom_close"))
return;
tty_port_close(port, tty, filp);