diff options
Diffstat (limited to 'drivers/nvme/target/tcp.c')
| -rw-r--r-- | drivers/nvme/target/tcp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 605aa2a8ca53..cb6a473c3eaf 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -711,10 +711,11 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch) static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch) { struct nvmet_tcp_queue *queue = cmd->queue; + int left = NVME_TCP_DIGEST_LENGTH - cmd->offset; struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; struct kvec iov = { .iov_base = (u8 *)&cmd->exp_ddgst + cmd->offset, - .iov_len = NVME_TCP_DIGEST_LENGTH - cmd->offset + .iov_len = left }; int ret; @@ -728,6 +729,10 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch) return ret; cmd->offset += ret; + left -= ret; + + if (left) + return -EAGAIN; if (queue->nvme_sq.sqhd_disabled) { cmd->queue->snd_cmd = NULL; |