include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...

[net-next-2.6.git] / net / sunrpc / svc_xprt.c

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 7d1f9e928f69b23ff640643c06c0b8b86f95b80b..061b2e0f9118833bcc93facef2cb8bc40f655a01 100644 (file)
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -9,6 +9,7 @@
 #include <linux/errno.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/svc_xprt.h>
@@ -173,11 +174,13 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
                .sin_addr.s_addr        = htonl(INADDR_ANY),
                .sin_port               = htons(port),
        };
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        struct sockaddr_in6 sin6 = {
                .sin6_family            = AF_INET6,
                .sin6_addr              = IN6ADDR_ANY_INIT,
                .sin6_port              = htons(port),
        };
+#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
        struct sockaddr *sap;
        size_t len;
 
@@ -186,10 +189,12 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
                sap = (struct sockaddr *)&sin;
                len = sizeof(sin);
                break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        case PF_INET6:
                sap = (struct sockaddr *)&sin6;
                len = sizeof(sin6);
                break;
+#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
        default:
                return ERR_PTR(-EAFNOSUPPORT);
        }
@@ -231,7 +236,10 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name,
  err:
        spin_unlock(&svc_xprt_class_lock);
        dprintk("svc: transport %s not found\n", xprt_name);
-       return -ENOENT;
+
+       /* This errno is exposed to user space.  Provide a reasonable
+        * perror msg for a bad transport. */
+       return -EPROTONOSUPPORT;
 }
 EXPORT_SYMBOL_GPL(svc_create_xprt);
 
@@ -699,8 +707,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
        spin_unlock_bh(&pool->sp_lock);
 
        len = 0;
-       if (test_bit(XPT_LISTENER, &xprt->xpt_flags) &&
-           !test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+       if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+               dprintk("svc_recv: found XPT_CLOSE\n");
+               svc_delete_xprt(xprt);
+       } else if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
                struct svc_xprt *newxpt;
                newxpt = xprt->xpt_ops->xpo_accept(xprt);
                if (newxpt) {
@@ -726,7 +736,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
                        svc_xprt_received(newxpt);
                }
                svc_xprt_received(xprt);
-       } else if (!test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+       } else {
                dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
                        rqstp, pool->sp_id, xprt,
                        atomic_read(&xprt->xpt_ref.refcount));
@@ -739,11 +749,6 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
                dprintk("svc: got len=%d\n", len);
        }
 
-       if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
-               dprintk("svc_recv: found XPT_CLOSE\n");
-               svc_delete_xprt(xprt);
-       }
-
        /* No data, incomplete (TCP) read, or accept() */
        if (len == 0 || len == -EAGAIN) {
                rqstp->rq_res.len = 0;
@@ -889,11 +894,8 @@ void svc_delete_xprt(struct svc_xprt *xprt)
        if (test_bit(XPT_TEMP, &xprt->xpt_flags))
                serv->sv_tmpcnt--;
 
-       for (dr = svc_deferred_dequeue(xprt); dr;
-            dr = svc_deferred_dequeue(xprt)) {
-               svc_xprt_put(xprt);
+       while ((dr = svc_deferred_dequeue(xprt)) != NULL)
                kfree(dr);
-       }
 
        svc_xprt_put(xprt);
        spin_unlock_bh(&serv->sv_lock);