From: Varun Prakash varun@chelsio.com
commit e790de54e94a7a15fb725b34724d41d41cbaa60c upstream.
exp_ddgst is of type __le32, &cmd->exp_ddgst + cmd->offset increases &cmd->exp_ddgst by 4 * cmd->offset, fix this by type casting &cmd->exp_ddgst to u8 *.
Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver") Signed-off-by: Varun Prakash varun@chelsio.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 @@ -690,7 +690,7 @@ static int nvmet_try_send_ddgst(struct n struct nvmet_tcp_queue *queue = cmd->queue; struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; struct kvec iov = { - .iov_base = &cmd->exp_ddgst + cmd->offset, + .iov_base = (u8 *)&cmd->exp_ddgst + cmd->offset, .iov_len = NVME_TCP_DIGEST_LENGTH - cmd->offset }; int ret;