[media] staging: lirc: freeing ERR_PTRs

We call kfree(data_buf) in the error handling and that will oops if this
is an error pointer.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --cc drivers/staging/media/lirc/lirc_imon.c
Simple merge

diff --cc drivers/staging/media/lirc/lirc_sasem.c
Simple merge