Commit 21a9d4c9 authored by Christoph Hellwig's avatar Christoph Hellwig

sd: fix up ->compat_ioctl

No need to verify the passthrough ioctls, the real handler will
take care of that.  Also make sure not to block for resets on
O_NONBLOCK fds.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
parent 906d15fb
......@@ -1541,31 +1541,19 @@ 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;
int ret;
ret = scsi_verify_blk_ioctl(bdev, cmd);
if (ret < 0)
return ret;
/*
* If we are in the middle of error recovery, don't let anyone
* else try and use this device. Also, if error recovery fails, it
* may try and take the device offline, in which case all further
* access to the device is prohibited.
*/
if (!scsi_block_when_processing_errors(sdev))
return -ENODEV;
if (sdev->host->hostt->compat_ioctl) {
ret = sdev->host->hostt->compat_ioctl(sdev, cmd, (void __user *)arg);
int error;
return ret;
}
error = scsi_ioctl_block_when_processing_errors(sdev, cmd,
(mode & FMODE_NDELAY) != 0);
if (error)
return error;
/*
* 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);
}
#endif
......
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