USB: cdc-acm: fix potential null-pointer dereference
commit15e5bee33ffc11d0e5c6f819a65e7881c5c407be
authorJohan Hovold <jhovold@gmail.com>
Tue, 22 Mar 2011 10:12:10 +0000 (22 11:12 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 23 Mar 2011 20:21:59 +0000 (23 13:21 -0700)
tree364c0fa67bc8684ee7d329762ef870738ec0f91a
parent23b80550e2aa61d0ba3af98b831b9195be0db9ee
USB: cdc-acm: fix potential null-pointer dereference

Must check return value of tty_port_tty_get.

Cc: stable <stable@kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/class/cdc-acm.c