lightnvm: remove chnl_offset in nvme_nvm_identity

The identity structure is initialized to zero in the beginning of
the nvme_nvm_identity function. The chnl_offset is separately set to
zero. Since both the variable and assignment is never changed, remove
them.
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/nvme/host/lightnvm.c

@@ -59,8 +59,7 @@ struct nvme_nvm_identity {
 	__u64			rsvd[2];
 	__le64			prp1;
 	__le64			prp2;
-	__le32			chnl_off;
-	__u32			rsvd11[5];
+	__u32			rsvd11[6];
 };
 
 struct nvme_nvm_getbbtbl {
@@ -279,7 +278,6 @@ static int nvme_nvm_identity(struct nvm_dev *nvmdev, struct nvm_id *nvm_id)
 
 	c.identity.opcode = nvme_nvm_admin_identity;
 	c.identity.nsid = cpu_to_le32(ns->head->ns_id);
-	c.identity.chnl_off = 0;
 
 	nvme_nvm_id = kmalloc(sizeof(struct nvme_nvm_id), GFP_KERNEL);
 	if (!nvme_nvm_id)