From: root (none) <root@sighted>
---
fs/nfs/client.c | 4 +++-
fs/nfs/idmap.c | 5 ++++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 44cd70f..ae29d4f 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -176,8 +176,10 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
#ifdef CONFIG_NFS_V4
err = nfs_get_cb_ident_idr(clp, cl_init->minorversion);
- if (err)
+ if (err) {
+ put_net(clp->net);
goto error_cleanup;
+ }
spin_lock_init(&clp->cl_lock);
INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index b7f348b..c9c3e1b 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -487,7 +487,7 @@ nfs_idmap_delete(struct nfs_client *clp)
kfree(idmap);
}
-static int __rpc_pipefs_event(struct nfs_client *clp, unsigned long event,
+static noinline int __rpc_pipefs_event(struct nfs_client *clp, unsigned long event,
struct super_block *sb)
{
int err = 0;
@@ -533,8 +533,11 @@ static struct nfs_client *nfs_get_client_for_event(struct net *net, int event)
spin_lock(&nn->nfs_client_lock);
list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) {
+ BUG_ON(atomic_read(&clp->cl_count) == 0);
if (clp->rpc_ops != &nfs_v4_clientops)
continue;
+ BUG_ON(clp->cl_idmap == NULL);
+ BUG_ON(clp->cl_idmap->idmap_pipe == NULL);
cl_dentry = clp->cl_idmap->idmap_pipe->dentry;
if (((event == RPC_PIPEFS_MOUNT) && cl_dentry) ||
((event == RPC_PIPEFS_UMOUNT) && !cl_dentry))
--
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