diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-09-02 21:58:57 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-09-03 01:49:17 +0400 |
| commit | d4e89902990e3fae1b8d2ca501d2fa5f0657c053 (patch) | |
| tree | 686e185ebf2a0e6e4dac46fbacf036a54295ec48 | |
| parent | ccad7dad86d8c42b0aec7a3ce7f911e033bf3c6a (diff) | |
| download | linux-d4e89902990e3fae1b8d2ca501d2fa5f0657c053.tar.xz | |
lockd: Do not start the lockd thread before we've set nlmsvc_rqst->rq_task
This fixes an Oopsable race when starting lockd.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | fs/lockd/svc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index b416b3355807..09857b48d0c3 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -306,7 +306,7 @@ static int lockd_start_svc(struct svc_serv *serv) svc_sock_update_bufs(serv); serv->sv_maxconn = nlm_max_connections; - nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, "%s", serv->sv_name); + nlmsvc_task = kthread_create(lockd, nlmsvc_rqst, "%s", serv->sv_name); if (IS_ERR(nlmsvc_task)) { error = PTR_ERR(nlmsvc_task); printk(KERN_WARNING @@ -314,6 +314,7 @@ static int lockd_start_svc(struct svc_serv *serv) goto out_task; } nlmsvc_rqst->rq_task = nlmsvc_task; + wake_up_process(nlmsvc_task); dprintk("lockd_up: service started\n"); return 0; |