From patchwork Tue Aug 21 20:57:19 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bruce Fields X-Patchwork-Id: 1358001 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id CDAA43FD40 for ; Tue, 21 Aug 2012 20:57:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758539Ab2HUU5f (ORCPT ); Tue, 21 Aug 2012 16:57:35 -0400 Received: from fieldses.org ([174.143.236.118]:46788 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751725Ab2HUU5e (ORCPT ); Tue, 21 Aug 2012 16:57:34 -0400 Received: from bfields by fieldses.org with local (Exim 4.72) (envelope-from ) id 1T3vW2-0004oY-Ia; Tue, 21 Aug 2012 16:57:34 -0400 From: "J. Bruce Fields" To: linux-nfs@vger.kernel.org Cc: "J. Bruce Fields" Subject: [PATCH 01/14] svcrpc: standardize svc_setup_socket return convention Date: Tue, 21 Aug 2012 16:57:19 -0400 Message-Id: <1345582652-18476-2-git-send-email-bfields@redhat.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1345582652-18476-1-git-send-email-bfields@redhat.com> References: <1345582652-18476-1-git-send-email-bfields@redhat.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: "J. Bruce Fields" Use the kernel-standard ptr-or-error return convention instead of passing a pointer to the error. Signed-off-by: J. Bruce Fields --- net/sunrpc/svcsock.c | 40 ++++++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 18 deletions(-) diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 998aa8c..d028b51 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -59,7 +59,7 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *, struct socket *, - int *errp, int flags); + int flags); static void svc_udp_data_ready(struct sock *, int); static int svc_udp_recvfrom(struct svc_rqst *); static int svc_udp_sendto(struct svc_rqst *); @@ -900,8 +900,9 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) */ newsock->sk->sk_sndtimeo = HZ*30; - if (!(newsvsk = svc_setup_socket(serv, newsock, &err, - (SVC_SOCK_ANONYMOUS | SVC_SOCK_TEMPORARY)))) + newsvsk = svc_setup_socket(serv, newsock, + (SVC_SOCK_ANONYMOUS | SVC_SOCK_TEMPORARY)); + if (IS_ERR(newsvsk)) goto failed; svc_xprt_set_remote(&newsvsk->sk_xprt, sin, slen); err = kernel_getsockname(newsock, sin, &slen); @@ -1383,29 +1384,29 @@ EXPORT_SYMBOL_GPL(svc_sock_update_bufs); */ static struct svc_sock *svc_setup_socket(struct svc_serv *serv, struct socket *sock, - int *errp, int flags) + int flags) { struct svc_sock *svsk; struct sock *inet; int pmap_register = !(flags & SVC_SOCK_ANONYMOUS); + int err = 0; dprintk("svc: svc_setup_socket %p\n", sock); - if (!(svsk = kzalloc(sizeof(*svsk), GFP_KERNEL))) { - *errp = -ENOMEM; - return NULL; - } + svsk = kzalloc(sizeof(*svsk), GFP_KERNEL); + if (!svsk) + return ERR_PTR(-ENOMEM); inet = sock->sk; /* Register socket with portmapper */ - if (*errp >= 0 && pmap_register) - *errp = svc_register(serv, sock_net(sock->sk), inet->sk_family, + if (pmap_register) + err = svc_register(serv, sock_net(sock->sk), inet->sk_family, inet->sk_protocol, ntohs(inet_sk(inet)->inet_sport)); - if (*errp < 0) { + if (err < 0) { kfree(svsk); - return NULL; + return ERR_PTR(err); } inet->sk_user_data = svsk; @@ -1463,10 +1464,12 @@ int svc_addsock(struct svc_serv *serv, const int fd, char *name_return, else { if (!try_module_get(THIS_MODULE)) err = -ENOENT; - else - svsk = svc_setup_socket(serv, so, &err, - SVC_SOCK_DEFAULTS); - if (svsk) { + else { + svsk = svc_setup_socket(serv, so, SVC_SOCK_DEFAULTS); + if (IS_ERR(svsk)) + err = PTR_ERR(svsk); + } + if (err == 0) { struct sockaddr_storage addr; struct sockaddr *sin = (struct sockaddr *)&addr; int salen; @@ -1563,11 +1566,12 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv, goto bummer; } - if ((svsk = svc_setup_socket(serv, sock, &error, flags)) != NULL) { + svsk = svc_setup_socket(serv, sock, flags); + if (!IS_ERR(svsk)) { svc_xprt_set_local(&svsk->sk_xprt, newsin, newlen); return (struct svc_xprt *)svsk; } - + error = PTR_ERR(svsk); bummer: dprintk("svc: svc_create_socket error = %d\n", -error); sock_release(sock);