From: Maurizio Lombardi <mlombard@redhat.com>
To: sagi@grimberg.me
Cc: zahavi.alon@gmail.com, hch@lst.de, chaitanyak@nvidia.com,
linux-nvme@lists.infradead.org, kbusch@kernel.org
Subject: [PATCH V2 3/3] nvmet-tcp: remove boilerplate code
Date: Fri, 22 Dec 2023 16:17:50 +0100 [thread overview]
Message-ID: <20231222151750.655751-4-mlombard@redhat.com> (raw)
In-Reply-To: <20231222151750.655751-1-mlombard@redhat.com>
Simplify the nvmet_tcp_handle_h2c_data_pdu() function by removing
boilerplate code.
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
---
drivers/nvme/target/tcp.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index b4b6a8ac8089..3569c1255c5e 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -985,8 +985,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
if (unlikely(data->ttag >= queue->nr_cmds)) {
pr_err("queue %d: received out of bound ttag %u, nr_cmds %u\n",
queue->idx, data->ttag, queue->nr_cmds);
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
cmd = &queue->cmds[data->ttag];
} else {
@@ -997,9 +996,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
pr_err("ttag %u unexpected data offset %u (expected %u)\n",
data->ttag, le32_to_cpu(data->data_offset),
cmd->rbytes_done);
- /* FIXME: use path and transport errors */
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
plen = le32_to_cpu(data->hdr.plen);
@@ -1008,9 +1005,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
cmd->pdu_len == 0 ||
cmd->pdu_len > NVMET_TCP_MAXH2CDATA)) {
pr_err("H2CData PDU len %u is invalid\n", cmd->pdu_len);
- /* FIXME: use proper transport errors */
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
cmd->pdu_recv = 0;
nvmet_tcp_build_pdu_iovec(cmd);
@@ -1018,6 +1013,11 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
queue->rcv_state = NVMET_TCP_RECV_DATA;
return 0;
+
+err_proto:
+ /* FIXME: use proper transport errors */
+ nvmet_tcp_fatal_error(queue);
+ return -EPROTO;
}
static int nvmet_tcp_done_recv_pdu(struct nvmet_tcp_queue *queue)
--
2.39.3
next prev parent reply other threads:[~2023-12-22 15:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-22 15:17 [PATCH V2 0/3] Fix some kernel panics due to the host sending invalid PDUs Maurizio Lombardi
2023-12-22 15:17 ` [PATCH V2 1/3] nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length Maurizio Lombardi
2023-12-25 10:19 ` Sagi Grimberg
2023-12-22 15:17 ` [PATCH V2 2/3] nvmet-tcp: fix a crash in nvmet_req_complete() Maurizio Lombardi
2023-12-25 10:28 ` Sagi Grimberg
2023-12-29 8:51 ` Maurizio Lombardi
2024-01-01 9:44 ` Sagi Grimberg
2024-01-01 9:44 ` Sagi Grimberg
2023-12-22 15:17 ` Maurizio Lombardi [this message]
2023-12-25 10:28 ` [PATCH V2 3/3] nvmet-tcp: remove boilerplate code Sagi Grimberg
2024-01-02 21:07 ` [PATCH V2 0/3] Fix some kernel panics due to the host sending invalid PDUs Keith Busch
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