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authorKeith Busch <keith.busch@intel.com>2019-03-13 18:54:56 +0100
committerJens Axboe <axboe@kernel.dk>2019-03-13 19:05:39 +0100
commit81fe92849928d65159d707b7b28febffbef94559 (patch)
tree249553095b0cc961bbecdf281aaf43b93fa77eb1 /drivers/nvme
parentnvme: don't warn on block content change effects (diff)
downloadlinux-81fe92849928d65159d707b7b28febffbef94559.tar.xz
linux-81fe92849928d65159d707b7b28febffbef94559.zip
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/trace.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h
index 244d7c177e5a..97d3c77365b8 100644
--- a/drivers/nvme/host/trace.h
+++ b/drivers/nvme/host/trace.h
@@ -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),