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authorSagi Grimberg <sagi@grimberg.me>2021-06-17 00:19:35 +0300
committerChristoph Hellwig <hch@lst.de>2021-08-16 15:42:22 +0300
commit3b01a9d0caa8276d9ce314e09610f7fb70f49a00 (patch)
tree3882c7f5c1227d5cc295a8c782b7168f73add39c /drivers/nvme/host/tcp.c
parent27453b45e62da8656739f7e1365ea9318e7b040e (diff)
downloadlinux-3b01a9d0caa8276d9ce314e09610f7fb70f49a00.tar.xz
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/host/tcp.c')
-rw-r--r--drivers/nvme/host/tcp.c14
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;