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lightnvm: if LUNs are already allocated fix return

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While creating new device with NVM_DEV_CREATE if LUNs are already
allocated ioctl would return -ENOMEM which is wrong.  This patch
propagates -EBUSY from nvm_reserve_luns which is correct response.

Fixes: ade69e243 ("lightnvm: merge gennvm with core")
Reviewed-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Rakesh Pandit 2017-06-27 14:55:33 +03:00 committed by Jens Axboe
parent 588726d3ec
commit 12e9a6d622
1 changed files with 3 additions and 2 deletions
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5
drivers/lightnvm/core.c
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@ -252,8 +252,9 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
}
mutex_unlock(&dev->mlock);
if (nvm_reserve_luns(dev, s->lun_begin, s->lun_end))
return -ENOMEM;
ret = nvm_reserve_luns(dev, s->lun_begin, s->lun_end);
if (ret)
return ret;
t = kmalloc(sizeof(struct nvm_target), GFP_KERNEL);
if (!t) {