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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-07 11:29:25 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-07 11:29:25 +1000
commit1ed31d6db90d51010545921e59d369d2f92b7ac2 (patch)
tree358a0b346bc8135cd5e53700eb44308b1a7c8c5b /drivers/char/isicom.c
parentceba1abcb00b0ef0b1efcd715285f6e05523edef (diff)
parent722154e4cacf015161efe60009ae9be23d492296 (diff)
Merge commit 'origin/master' into next
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 0fa2e4a0835..c1ab303455c 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);