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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-07-03 08:07:04 -0600 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 18:24:15 +0200 |
| commit | 82b6d57fb11644fe25c8a1346627ad0027673dae (patch) | |
| tree | 0270b7eb3e995f88cbe1e8626153af15a5cc05d8 /drivers/scsi/sd.c | |
| parent | 00fff26539bfe3fad21c164fc4002d9ede056fb0 (diff) | |
| download | lwn-82b6d57fb11644fe25c8a1346627ad0027673dae.tar.gz lwn-82b6d57fb11644fe25c8a1346627ad0027673dae.zip | |
scsi: need to reset unprep_rq_fn in sd_remove
This is for block's for-2.6.36.
We need to reset q->unprep_rq_fn in sd_remove. Otherwise we hit kernel
oops if we access to a scsi disk device via sg after removing scsi
disk module.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index d9a4314a1948..0994ab63b598 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2384,6 +2384,7 @@ static int sd_remove(struct device *dev) async_synchronize_full(); sdkp = dev_get_drvdata(dev); blk_queue_prep_rq(sdkp->device->request_queue, scsi_prep_fn); + blk_queue_unprep_rq(sdkp->device->request_queue, NULL); device_del(&sdkp->dev); del_gendisk(sdkp->disk); sd_shutdown(dev); |