Commits
Mauro Carvalho Chehab committed 19fb1457990
V4L/DVB (6609): Re-adds lock safe videobuf_read_start videobuf_dvb needs videobuf_read_start. The EXPORT_SYMBOL_GPL() were removed by a previous patch. However, videobuf_dvb needs this. This patch re-adds videobuf_read_start, doing the proper lock. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>