diff options
Diffstat (limited to 'fs/lockd')
| -rw-r--r-- | fs/lockd/svc.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 71c6c3122d35..ad11ea777581 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -291,21 +291,20 @@ static void lockd_down_net(struct svc_serv *serv, struct net *net) } } -/* - * Bring up the lockd process if it's not already up. - */ -int lockd_up(struct net *net) +static struct svc_serv *lockd_create_svc(void) { struct svc_serv *serv; - int error = 0; - mutex_lock(&nlmsvc_mutex); /* * Check whether we're already up and running. */ if (nlmsvc_rqst) { - error = lockd_up_net(nlmsvc_rqst->rq_server, net); - goto out; + /* + * Note: increase service usage, because later in case of error + * svc_destroy() will be called. + */ + svc_get(nlmsvc_rqst->rq_server); + return nlmsvc_rqst->rq_server; } /* @@ -316,11 +315,28 @@ int lockd_up(struct net *net) printk(KERN_WARNING "lockd_up: no pid, %d users??\n", nlmsvc_users); - error = -ENOMEM; serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL); if (!serv) { printk(KERN_WARNING "lockd_up: create service failed\n"); - goto out; + return ERR_PTR(-ENOMEM); + } + return serv; +} + +/* + * Bring up the lockd process if it's not already up. + */ +int lockd_up(struct net *net) +{ + struct svc_serv *serv; + int error = 0; + + mutex_lock(&nlmsvc_mutex); + + serv = lockd_create_svc(); + if (IS_ERR(serv)) { + error = PTR_ERR(serv); + goto err_create; } error = lockd_up_net(serv, net); @@ -360,9 +376,9 @@ int lockd_up(struct net *net) */ err_net: svc_destroy(serv); -out: if (!error) nlmsvc_users++; +err_create: mutex_unlock(&nlmsvc_mutex); return error; |