* [PATCH AUTOSEL 5.10 33/39] nvmet-tcp: fix kmap leak when data digest in use
[not found] <20210325112558.1927423-1-sashal@kernel.org>
@ 2021-03-25 11:25 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2021-03-25 11:25 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Elad Grupi, Sagi Grimberg, Christoph Hellwig, Sasha Levin, linux-nvme
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
_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-03-25 11:27 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <20210325112558.1927423-1-sashal@kernel.org>
2021-03-25 11:25 ` [PATCH AUTOSEL 5.10 33/39] nvmet-tcp: fix kmap leak when data digest in use Sasha Levin
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).