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authorRakesh Pandit <rakesh@tuxera.com>2017-06-27 14:55:33 +0300
committerJens Axboe <axboe@kernel.dk>2017-06-27 08:22:09 -0600
commit12e9a6d62236dacb87a6b2dd84dd9c29bb5be1de (patch)
treec5bd791aa194772ec7eca4c1842b0d81cdeed2d3
parent588726d3ec68b66be2e2881d2b85060ff383078a (diff)
lightnvm: if LUNs are already allocated fix return
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>
-rw-r--r--drivers/lightnvm/core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index b8f82f5c6c0d..ddae430b6eae 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -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) {