[PATCH 5.12 156/296] nvmet-tcp: fix inline data size comparison in nvmet_tcp_queue_response

Greg Kroah-Hartman
2021-05-31T16:28:44Z

From: Hou Pu <houpu.main@gmail.com>

commit 25df1acd2d36eb72b14c3d00f6b861b1e00b3aab upstream.

Using "<=" instead "<" to compare inline data size.

Fixes: bdaf13279192 ("nvmet-tcp: fix a segmentation fault during io parsing error")
Signed-off-by: Hou Pu <houpu.main@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvme/target/tcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -538,7 +538,7 @@ static void nvmet_tcp_queue_response(str
* nvmet_req_init is completed.
*/
if (queue->rcv_state == NVMET_TCP_RECV_PDU &&
- len && len < cmd->req.port->inline_data_size &&
+ len && len <= cmd->req.port->inline_data_size &&
nvme_is_write(cmd->req.cmd))
return;
}