extension_start 68 drivers/media/platform/coda/coda-mpeg2.c u8 extension_start[4]; extension_start 78 drivers/media/platform/coda/coda-mpeg2.c memcmp(buf + 12, u.extension_start, 4) == 0) extension_start 83 drivers/media/platform/coda/coda-mpeg2.c memcmp(buf + 76, u.extension_start, 4) == 0)