2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------ From: Johan Hovold <[email protected]> commit 15e5bee33ffc11d0e5c6f819a65e7881c5c407be upstream. Must check return value of tty_port_tty_get. Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Andi Kleen <[email protected]> --- drivers/usb/class/cdc-acm.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux-2.6.35.y/drivers/usb/class/cdc-acm.c =================================================================== --- linux-2.6.35.y.orig/drivers/usb/class/cdc-acm.c 2011-03-29 23:03:03.135219948 -0700 +++ linux-2.6.35.y/drivers/usb/class/cdc-acm.c 2011-03-29 23:53:54.272148988 -0700 @@ -533,6 +533,8 @@ if (!ACM_READY(acm)) return; tty = tty_port_tty_get(&acm->port); + if (!tty) + return; tty_wakeup(tty); tty_kref_put(tty); } _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
