USB: cdc-acm: fix potential null-pointer dereference
commit0530c26f6cd6991fe56e37101fb440d9953309af
authorJohan Hovold <jhovold@gmail.com>
Tue, 22 Mar 2011 10:12:10 +0000 (22 11:12 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 28 Mar 2011 14:31:22 +0000 (28 07:31 -0700)
tree3b442f680ca277afd5072d00a18bcc7601b97ad3
parente9f4fcfaa4de566650a8837ff0d722a1f6876417
USB: cdc-acm: fix potential null-pointer dereference

commit 15e5bee33ffc11d0e5c6f819a65e7881c5c407be upstream.

Must check return value of tty_port_tty_get.

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