aboutsummaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/svc_xprt.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index a74cb67f15bf..dd61cd02461f 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -716,7 +716,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
716 if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) { 716 if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
717 dprintk("svc_recv: found XPT_CLOSE\n"); 717 dprintk("svc_recv: found XPT_CLOSE\n");
718 svc_delete_xprt(xprt); 718 svc_delete_xprt(xprt);
719 } else if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { 719 /* Leave XPT_BUSY set on the dead xprt: */
720 goto out;
721 }
722 if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
720 struct svc_xprt *newxpt; 723 struct svc_xprt *newxpt;
721 newxpt = xprt->xpt_ops->xpo_accept(xprt); 724 newxpt = xprt->xpt_ops->xpo_accept(xprt);
722 if (newxpt) { 725 if (newxpt) {
@@ -741,28 +744,23 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
741 spin_unlock_bh(&serv->sv_lock); 744 spin_unlock_bh(&serv->sv_lock);
742 svc_xprt_received(newxpt); 745 svc_xprt_received(newxpt);
743 } 746 }
744 svc_xprt_received(xprt);
745 } else { 747 } else {
746 dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n", 748 dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
747 rqstp, pool->sp_id, xprt, 749 rqstp, pool->sp_id, xprt,
748 atomic_read(&xprt->xpt_ref.refcount)); 750 atomic_read(&xprt->xpt_ref.refcount));
749 rqstp->rq_deferred = svc_deferred_dequeue(xprt); 751 rqstp->rq_deferred = svc_deferred_dequeue(xprt);
750 if (rqstp->rq_deferred) { 752 if (rqstp->rq_deferred)
751 svc_xprt_received(xprt);
752 len = svc_deferred_recv(rqstp); 753 len = svc_deferred_recv(rqstp);
753 } else { 754 else
754 len = xprt->xpt_ops->xpo_recvfrom(rqstp); 755 len = xprt->xpt_ops->xpo_recvfrom(rqstp);
755 svc_xprt_received(xprt);
756 }
757 dprintk("svc: got len=%d\n", len); 756 dprintk("svc: got len=%d\n", len);
758 } 757 }
758 svc_xprt_received(xprt);
759 759
760 /* No data, incomplete (TCP) read, or accept() */ 760 /* No data, incomplete (TCP) read, or accept() */
761 if (len == 0 || len == -EAGAIN) { 761 if (len == 0 || len == -EAGAIN)
762 rqstp->rq_res.len = 0; 762 goto out;
763 svc_xprt_release(rqstp); 763
764 return -EAGAIN;
765 }
766 clear_bit(XPT_OLD, &xprt->xpt_flags); 764 clear_bit(XPT_OLD, &xprt->xpt_flags);
767 765
768 rqstp->rq_secure = svc_port_is_privileged(svc_addr(rqstp)); 766 rqstp->rq_secure = svc_port_is_privileged(svc_addr(rqstp));
@@ -771,6 +769,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
771 if (serv->sv_stats) 769 if (serv->sv_stats)
772 serv->sv_stats->netcnt++; 770 serv->sv_stats->netcnt++;
773 return len; 771 return len;
772out:
773 rqstp->rq_res.len = 0;
774 svc_xprt_release(rqstp);
775 return -EAGAIN;
774} 776}
775EXPORT_SYMBOL_GPL(svc_recv); 777EXPORT_SYMBOL_GPL(svc_recv);
776 778