From f183282bb88ffa944449cf3a24a649c754d9e7af Mon Sep 17 00:00:00 2001 From: Stanislav Kinsbursky Date: Mon, 25 Jun 2012 16:40:10 -0400 Subject: NFS: hard-code init_net for NFS callback transports upstream commit 12918b10d59e975fd5241eef03ef9e6d5ea3dcfe. In case of destroying mount namespace on child reaper exit, nsproxy is zeroed to the point already. So, dereferencing of it is invalid. This patch hard-code "init_net" for all network namespace references for NFS callback services. This will be fixed with proper NFS callback containerization. Signed-off-by: Stanislav Kinsbursky Signed-off-by: J. Bruce Fields Signed-off-by: Greg Kroah-Hartman --- fs/nfs/callback.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'fs/nfs') diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index cff39406f96..38a44c679a0 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -17,7 +17,6 @@ #include #include #include -#include #include @@ -107,7 +106,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) { int ret; - ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET, + ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET, nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS); if (ret <= 0) goto out_err; @@ -115,7 +114,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) dprintk("NFS: Callback listener port = %u (af %u)\n", nfs_callback_tcpport, PF_INET); - ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET6, + ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET6, nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS); if (ret > 0) { nfs_callback_tcpport6 = ret; @@ -184,7 +183,7 @@ nfs41_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) * fore channel connection. * Returns the input port (0) and sets the svc_serv bc_xprt on success */ - ret = svc_create_xprt(serv, "tcp-bc", xprt->xprt_net, PF_INET, 0, + ret = svc_create_xprt(serv, "tcp-bc", &init_net, PF_INET, 0, SVC_SOCK_ANONYMOUS); if (ret < 0) { rqstp = ERR_PTR(ret); @@ -254,7 +253,7 @@ int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt) char svc_name[12]; int ret = 0; int minorversion_setup; - struct net *net = current->nsproxy->net_ns; + struct net *net = &init_net; mutex_lock(&nfs_callback_mutex); if (cb_info->users++ || cb_info->task != NULL) { @@ -330,7 +329,7 @@ void nfs_callback_down(int minorversion) cb_info->users--; if (cb_info->users == 0 && cb_info->task != NULL) { kthread_stop(cb_info->task); - svc_shutdown_net(cb_info->serv, current->nsproxy->net_ns); + svc_shutdown_net(cb_info->serv, &init_net); svc_exit_thread(cb_info->rqst); cb_info->serv = NULL; cb_info->rqst = NULL; -- cgit v1.2.3