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nvme-trace: fix cdw10 buffer overrun 

The field is defined to be a 24 byte array, we don't need to multiply
the sizeof() that field by the number of dwords it covers.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Keith Busch 2019-03-13 18:54:56 +01:00 committed by Jens Axboe
parent 415df90b43
commit 81fe928499
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/host/trace.h
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@ -108,7 +108,7 @@ TRACE_EVENT(nvme_setup_cmd,
__entry->metadata = le64_to_cpu(cmd->common.metadata);
__assign_disk_name(__entry->disk, req->rq_disk);
memcpy(__entry->cdw10, &cmd->common.cdw10,
6 * sizeof(__entry->cdw10));
sizeof(__entry->cdw10));
),
TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)",
__entry->ctrl_id, __print_disk_name(__entry->disk),