nvme: compare NQN string with right size

Copy subnqns using NVMF_NQN_SIZE as it is < 256

Signed-off-by: Javier González <javier@cnexlabs.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 65fd2fc1ae3c20878fdbe5911be7ac7bee18801f..8a60cc786220bfc7227e23cb548f9073d6e98340 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1810,7 +1810,7 @@ static void nvme_init_subnqn(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 
        nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE);
        if (nqnlen > 0 && nqnlen < NVMF_NQN_SIZE) {
-               strcpy(ctrl->subnqn, id->subnqn);
+               strncpy(ctrl->subnqn, id->subnqn, NVMF_NQN_SIZE);
                return;
        }