mirror of https://gitee.com/openkylin/linux.git
[PATCH] RPC: Make rpc_create_client() destroy the transport on failure.
This saves us a couple of lines of cleanup code for each call. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
334ccfd545
commit
5b616f5d59
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@ -193,10 +193,8 @@ nlm_bind_host(struct nlm_host *host)
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/* Existing NLM servers accept AUTH_UNIX only */
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clnt = rpc_create_client(xprt, host->h_name, &nlm_program,
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host->h_version, RPC_AUTH_UNIX);
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if (IS_ERR(clnt)) {
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xprt_destroy(xprt);
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if (IS_ERR(clnt))
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goto forgetit;
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}
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clnt->cl_autobind = 1; /* turn on pmap queries */
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xprt->nocong = 1; /* No congestion control for NLM */
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xprt->resvport = 1; /* NLM requires a reserved port */
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@ -120,15 +120,14 @@ nsm_create(void)
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&nsm_program, SM_VERSION,
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RPC_AUTH_NULL);
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if (IS_ERR(clnt))
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goto out_destroy;
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goto out_err;
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clnt->cl_softrtry = 1;
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clnt->cl_chatty = 1;
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clnt->cl_oneshot = 1;
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xprt->resvport = 1; /* NSM requires a reserved port */
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return clnt;
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out_destroy:
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xprt_destroy(xprt);
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out_err:
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return clnt;
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}
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@ -383,7 +383,6 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data)
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return clnt;
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out_fail:
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xprt_destroy(xprt);
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return clnt;
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}
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@ -1623,7 +1622,6 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data,
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if (IS_ERR(clnt)) {
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up_write(&clp->cl_sem);
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printk(KERN_WARNING "NFS: cannot create RPC client.\n");
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xprt_destroy(xprt);
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err = PTR_ERR(clnt);
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goto out_fail;
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}
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@ -80,9 +80,7 @@ mnt_create(char *hostname, struct sockaddr_in *srvaddr, int version,
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clnt = rpc_create_client(xprt, hostname,
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&mnt_program, version,
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RPC_AUTH_UNIX);
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if (IS_ERR(clnt)) {
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xprt_destroy(xprt);
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} else {
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if (!IS_ERR(clnt)) {
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clnt->cl_softrtry = 1;
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clnt->cl_chatty = 1;
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clnt->cl_oneshot = 1;
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@ -430,7 +430,7 @@ nfsd4_probe_callback(struct nfs4_client *clp)
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clnt = rpc_create_client(xprt, hostname, program, 1, RPC_AUTH_UNIX);
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if (IS_ERR(clnt)) {
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dprintk("NFSD: couldn't create callback client\n");
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goto out_xprt;
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goto out_err;
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}
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clnt->cl_intr = 0;
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clnt->cl_softrtry = 1;
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@ -465,8 +465,6 @@ nfsd4_probe_callback(struct nfs4_client *clp)
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out_clnt:
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rpc_shutdown_client(clnt);
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goto out_err;
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out_xprt:
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xprt_destroy(xprt);
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out_err:
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dprintk("NFSD: warning: no callback path to client %.*s\n",
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(int)clp->cl_name.len, clp->cl_name.data);
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@ -178,6 +178,7 @@ rpc_create_client(struct rpc_xprt *xprt, char *servname,
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kfree(clnt->cl_server);
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kfree(clnt);
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out_err:
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xprt_destroy(xprt);
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return ERR_PTR(err);
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}
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@ -210,9 +210,7 @@ pmap_create(char *hostname, struct sockaddr_in *srvaddr, int proto)
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clnt = rpc_create_client(xprt, hostname,
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&pmap_program, RPC_PMAP_VERSION,
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RPC_AUTH_UNIX);
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if (IS_ERR(clnt)) {
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xprt_destroy(xprt);
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} else {
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if (!IS_ERR(clnt)) {
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clnt->cl_softrtry = 1;
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clnt->cl_chatty = 1;
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clnt->cl_oneshot = 1;
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@ -61,7 +61,6 @@ EXPORT_SYMBOL(rpc_mkpipe);
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/* Client transport */
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EXPORT_SYMBOL(xprt_create_proto);
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EXPORT_SYMBOL(xprt_destroy);
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EXPORT_SYMBOL(xprt_set_timeout);
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EXPORT_SYMBOL(xprt_udp_slot_table_entries);
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EXPORT_SYMBOL(xprt_tcp_slot_table_entries);
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