Commit 12e9a6d6 authored Jun 27, 2017 by Rakesh Pandit Committed by Jens Axboe Jun 27, 2017

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: ade69e24 ("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>

parent 588726d3

drivers/lightnvm/core.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -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) {