block: push down BKL into .open and .release

[net-next-2.6.git] / drivers / scsi / sr.c

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d42fa6468f41e7fb436647d9bfe7d06a93acf7be..ba9c3e0387ce313fc9ee588552c42101418e9f13 100644 (file)
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -467,22 +467,27 @@ static int sr_prep_fn(struct request_queue *q, struct request *rq)
 
 static int sr_block_open(struct block_device *bdev, fmode_t mode)
 {
-       struct scsi_cd *cd = scsi_cd_get(bdev->bd_disk);
+       struct scsi_cd *cd;
        int ret = -ENXIO;
 
+       lock_kernel();
+       cd = scsi_cd_get(bdev->bd_disk);
        if (cd) {
                ret = cdrom_open(&cd->cdi, bdev, mode);
                if (ret)
                        scsi_cd_put(cd);
        }
+       unlock_kernel();
        return ret;
 }
 
 static int sr_block_release(struct gendisk *disk, fmode_t mode)
 {
        struct scsi_cd *cd = scsi_cd(disk);
+       lock_kernel();
        cdrom_release(&cd->cdi, mode);
        scsi_cd_put(cd);
+       unlock_kernel();
        return 0;
 }