diff options
Diffstat (limited to 'drivers/scsi/ch.c')
| -rw-r--r-- | drivers/scsi/ch.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 76751d6c7f0d..ed5f4a6ae270 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -872,6 +872,10 @@ static long ch_ioctl_compat(struct file * file, unsigned int cmd, unsigned long arg) { scsi_changer *ch = file->private_data; + int retval = scsi_ioctl_block_when_processing_errors(ch->device, cmd, + file->f_flags & O_NDELAY); + if (retval) + return retval; switch (cmd) { case CHIOGPARAMS: @@ -883,7 +887,7 @@ static long ch_ioctl_compat(struct file * file, case CHIOINITELEM: case CHIOSVOLTAG: /* compatible */ - return ch_ioctl(file, cmd, arg); + return ch_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); case CHIOGSTATUS32: { struct changer_element_status32 ces32; @@ -898,8 +902,7 @@ static long ch_ioctl_compat(struct file * file, return ch_gstatus(ch, ces32.ces_type, data); } default: - // return scsi_ioctl_compat(ch->device, cmd, (void*)arg); - return -ENOIOCTLCMD; + return scsi_compat_ioctl(ch->device, cmd, compat_ptr(arg)); } } |