The support for the compat ioctl did not actually do what it was supposed to do because of a typo, instead it broke native support for CDROM_LAST_WRITTEN and CDROM_SEND_PACKET on all architectures with CONFIG_COMPAT enabled.
Fixes: 1b114b0817cc ("pktcdvd: add compat_ioctl handler") Signed-off-by: Arnd Bergmann arnd@arndb.de ---- Please apply for v5.5, I just noticed the regression while rebasing some of the patches I created on top. --- drivers/block/pktcdvd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index ee67bf929fac..861fc65a1b75 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2707,7 +2707,7 @@ static const struct block_device_operations pktcdvd_ops = { .release = pkt_close, .ioctl = pkt_ioctl, #ifdef CONFIG_COMPAT - .ioctl = pkt_compat_ioctl, + .compat_ioctl = pkt_compat_ioctl, #endif .check_events = pkt_check_events, };