RDMA/rxe: Fix incorrect return value of rxe_odp_atomic_op()

rxe_mr_do_atomic_op() returns enum resp_states numbers, so the ODP
counterpart must not return raw errno codes.

Signed-off-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://patch.msgid.link/20250313064540.2619115-1-matsuda-daisuke@fujitsu.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: ddmatsu

drivers/infiniband/sw/rxe/rxe_odp.c

@@ -316,7 +316,7 @@ int rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
 	err = rxe_odp_map_range_and_lock(mr, iova, sizeof(char),
 					 RXE_PAGEFAULT_DEFAULT);
 	if (err < 0)
-		return err;
+		return RESPST_ERR_RKEY_VIOLATION;
 
 	err = rxe_odp_do_atomic_op(mr, iova, opcode, compare, swap_add,
 				   orig_val);