diff options
| author |   Sagi Grimberg <sagi@grimberg.me> | 2021-06-16 14:19:35 -0700 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2021-08-16 14:42:22 +0200 |
| commit | 3b01a9d0caa8276d9ce314e09610f7fb70f49a00 (patch) | |
| tree | 3882c7f5c1227d5cc295a8c782b7168f73add39c /drivers/nvme | |
| parent | nvme-pci: limit maximum queue depth to 4095 (diff) | |
| download | linux-dev-3b01a9d0caa8276d9ce314e09610f7fb70f49a00.tar.xz linux-dev-3b01a9d0caa8276d9ce314e09610f7fb70f49a00.zip | |
nvme-tcp: don't check blk_mq_tag_to_rq when receiving pdu data
We already validate it when receiving the c2hdata pdu header
and this is not changing so this is a redundant check.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/tcp.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 8cb15ee5b249..d649b446da66 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -702,17 +702,9 @@ static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, unsigned int *offset, size_t *len) { struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; - struct nvme_tcp_request *req; - struct request *rq; - - rq = blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id); - if (!rq) { - dev_err(queue->ctrl->ctrl.device, - "queue %d tag %#x not found\n", - nvme_tcp_queue_id(queue), pdu->command_id); - return -ENOENT; - } - req = blk_mq_rq_to_pdu(rq); + struct request *rq = + blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id); + struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq); while (true) { int recv_len, ret; |