commit 6b7f554be8c92319d7e6df92fd247ebb9beb4a45 upstream. The LIRC_SET_TRANSMITTER_MASK ioctl should return the number of emitters if an invalid list was set. Cc: stable@vger.kernel.org Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>