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")
Signed-off-by: Rakesh Pandit <rakesh@xxxxxxxxxx>
---
drivers/lightnvm/core.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 6a4aa60..440deb5 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -235,7 +235,7 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
struct nvm_target *t;
struct nvm_tgt_dev *tgt_dev;
void *targetdata;
- int ret;
+ int ret = 0;
tt = nvm_find_target_type(create->tgttype, 1);
if (!tt) {
@@ -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)
+ goto err;
t = kmalloc(sizeof(struct nvm_target), GFP_KERNEL);
if (!t) {
@@ -314,8 +315,8 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
mutex_lock(&dev->mlock);
list_add_tail(&t->list, &dev->targets);
mutex_unlock(&dev->mlock);
-
- return 0;
+err:
+ return ret;
err_sysfs:
if (tt->exit)
tt->exit(targetdata);
--
2.9.3
