RDMA/rtrs-srv: Kill reject_w_econnreset label

We can goto reject_w_err label after initialize err with -ECONNRESET.

Link: https://lore.kernel.org/r/20210528113018.52290-2-jinpu.wang@ionos.com


Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Guoqing Jiang <guoqing.jiang@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>