RDMA/bnxt_re: Fix return value of bnxt_re_process_raw_qp_pkt_rx

bnxt_re_process_raw_qp_pkt_rx() always return 0 and ignores the return
value of bnxt_re_post_send_shadow_qp().

Fixes: 1ac5a40 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hongguang Gao <[email protected]>
Reviewed-by: Ajit Khaparde <[email protected]>
Signed-off-by: Kalesh AP <[email protected]>
Signed-off-by: Selvin Xavier <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>

Author: Kalesh AP

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -3341,9 +3341,7 @@ static int bnxt_re_process_raw_qp_pkt_rx(struct bnxt_re_qp *gsi_qp,
 	udwr.remote_qkey = gsi_sqp->qplib_qp.qkey;
 
 	/* post data received  in the send queue */
-	rc = bnxt_re_post_send_shadow_qp(rdev, gsi_sqp, swr);
-
-	return 0;
+	return bnxt_re_post_send_shadow_qp(rdev, gsi_sqp, swr);
 }
 
 static void bnxt_re_process_res_rawqp1_wc(struct ib_wc *wc,