diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-14 10:08:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-14 10:08:57 +0200 |
| commit | 9ef8638bd8c7e06bee087a04af7950cbc6123828 (patch) | |
| tree | de145994dfe036dbd2d729c61e043f1a96cef25c /drivers/nvme/target/tcp.c | |
| parent | 0de7511695680425aa1e6e1e1c7a7c24e6250491 (diff) | |
| parent | 856deb866d16e29bd65952e0289066f6078af773 (diff) | |
Merge 5.9-rc5 into driver-core-next
We need the driver core changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvme/target/tcp.c')
| -rw-r--r-- | drivers/nvme/target/tcp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 9eda91162fe4..8e0d766d2722 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -160,6 +160,11 @@ static void nvmet_tcp_finish_cmd(struct nvmet_tcp_cmd *cmd); static inline u16 nvmet_tcp_cmd_tag(struct nvmet_tcp_queue *queue, struct nvmet_tcp_cmd *cmd) { + if (unlikely(!queue->nr_cmds)) { + /* We didn't allocate cmds yet, send 0xffff */ + return USHRT_MAX; + } + return cmd - queue->cmds; } @@ -866,7 +871,10 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) struct nvme_tcp_data_pdu *data = &queue->pdu.data; struct nvmet_tcp_cmd *cmd; - cmd = &queue->cmds[data->ttag]; + if (likely(queue->nr_cmds)) + cmd = &queue->cmds[data->ttag]; + else + cmd = &queue->connect; if (le32_to_cpu(data->data_offset) != cmd->rbytes_done) { pr_err("ttag %u unexpected data offset %u (expected %u)\n", |