diff options
| author | Matias Bjørling <m@bjorling.me> | 2015-11-16 15:34:42 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-11-16 15:20:31 -0700 |
| commit | edad2e6606ee62dd7dfc5b001fae39c5c8015a55 (patch) | |
| tree | 2adb53a55864f731868a7641d8290139f29dd389 /drivers/lightnvm | |
| parent | 4264c980e3e9bb904b7f41dc9c64786cc5466bee (diff) | |
| download | op-kernel-dev-edad2e6606ee62dd7dfc5b001fae39c5c8015a55.zip op-kernel-dev-edad2e6606ee62dd7dfc5b001fae39c5c8015a55.tar.gz | |
lightnvm: prematurely activate nvm_dev
We register with nvm_devices when there registration can still fail.
Move the final registration at the end of the nvm_register function
to make sure we are fully registered when added to the nvm_devices list.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 0985a03..40e6cfa 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -318,10 +318,6 @@ int nvm_register(struct request_queue *q, char *disk_name, if (ret) goto err_init; - down_write(&nvm_lock); - list_add(&dev->devices, &nvm_devices); - up_write(&nvm_lock); - if (dev->ops->max_phys_sect > 1) { dev->ppalist_pool = dev->ops->create_dma_pool(dev->q, "ppalist"); @@ -334,6 +330,10 @@ int nvm_register(struct request_queue *q, char *disk_name, return -EINVAL; } + down_write(&nvm_lock); + list_add(&dev->devices, &nvm_devices); + up_write(&nvm_lock); + return 0; err_init: kfree(dev); |
