smb3: minor RDMA cleanup

[ Upstream commit 43960dc2 ]

Some minor smbdirect debug cleanup spotted by checkpatch

Cc: Long Li <longli@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>