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authorElad Grupi <elad.grupi@dell.com>2021-03-16 18:44:25 +0300
committerChristoph Hellwig <hch@lst.de>2021-03-18 07:39:18 +0300
commitbac04454ef9fada009f0572576837548b190bf94 (patch)
treed40b2ebf6117bcfe97bad93a2d02d5ec46fda852 /drivers/nvme
parentd218a8a3003e84ab136e69a4e30dd4ec7dab2d22 (diff)
downloadlinux-bac04454ef9fada009f0572576837548b190bf94.tar.xz
nvmet-tcp: fix kmap leak when data digest in use
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/tcp.c2
1 files changed, 1 insertions, 1 deletions
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) {