From: Arnd Bergmann arnd@arndb.de
commit 142b2ac82e31c174936c5719fa12ae28f51a55b7 upstream.
The sed_ioctl() function is written to be compatible between 32-bit and 64-bit processes, however compat mode is only wired up for nvme, not for sd.
Add the missing call to sed_ioctl() in sd_compat_ioctl().
Fixes: d80210f25ff0 ("sd: add support for TCG OPAL self encrypting disks") Cc: linux-scsi@vger.kernel.org Cc: "James E.J. Bottomley" jejb@linux.ibm.com Cc: "Martin K. Petersen" martin.petersen@oracle.com Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/scsi/sd.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 5bdec52..710d7b0 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1690,20 +1690,30 @@ static void sd_rescan(struct device *dev) static int sd_compat_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { - struct scsi_device *sdev = scsi_disk(bdev->bd_disk)->device; + struct gendisk *disk = bdev->bd_disk; + struct scsi_disk *sdkp = scsi_disk(disk); + struct scsi_device *sdev = sdkp->device; + void __user *p = compat_ptr(arg); int error;
+ error = scsi_verify_blk_ioctl(bdev, cmd); + if (error < 0) + return error; + error = scsi_ioctl_block_when_processing_errors(sdev, cmd, (mode & FMODE_NDELAY) != 0); if (error) return error; + + if (is_sed_ioctl(cmd)) + return sed_ioctl(sdkp->opal_dev, cmd, p); /* * Let the static ioctl translation table take care of it. */ if (!sdev->host->hostt->compat_ioctl) return -ENOIOCTLCMD; - return sdev->host->hostt->compat_ioctl(sdev, cmd, (void __user *)arg); + return sdev->host->hostt->compat_ioctl(sdev, cmd, p); } #endif