sr_block_ioctl() should proceed to SCSI ioctls if cdrom_ioctl() returns -ENOSYS. However it tested for ENOSYS instead of -ENOSYS rendering all SCSI ioctls other than GET_IDLUN and GET_BUS_NUMBER inaccessible. Fix it. Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index fae6e95..89e9b36 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -468,7 +468,7 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd, } ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg); - if (ret != ENOSYS) + if (ret != -ENOSYS) return ret; /* - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html