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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>
hifive-unleashed-5.1
Matias Bjørling 2015-11-16 15:34:42 +01:00 committed by Jens Axboe
parent 4264c980e3
commit edad2e6606
1 changed files with 4 additions and 4 deletions
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8
drivers/lightnvm/core.c
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@ -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);