| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 033/152] nvmet-tcp: fix kmap leak when data digest in use | Date | Mon, 5 Apr 2021 10:53:02 +0200 |
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From: Elad Grupi <elad.grupi@dell.com>
[ Upstream commit bac04454ef9fada009f0572576837548b190bf94 ]
When data digest is enabled we should unmap pdu iovec before handling the data digest pdu.
Signed-off-by: Elad Grupi <elad.grupi@dell.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/nvme/target/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 8b0485ada315..d658c6e8263a 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1098,11 +1098,11 @@ static int nvmet_tcp_try_recv_data(struct nvmet_tcp_queue *queue) cmd->rbytes_done += ret; } + nvmet_tcp_unmap_pdu_iovec(cmd); if (queue->data_digest) { nvmet_tcp_prep_recv_ddgst(cmd); return 0; } - nvmet_tcp_unmap_pdu_iovec(cmd); if (!(cmd->flags & NVMET_TCP_F_INIT_FAILED) && cmd->rbytes_done == cmd->req.transfer_len) { -- 2.30.1
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