diff options
Diffstat (limited to 'net/sunrpc/rpc_pipe.c')
| -rw-r--r-- | net/sunrpc/rpc_pipe.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index e7ce4b3eb0bd..4679df5a6d50 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -667,7 +667,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent, return ERR_PTR(-ENOMEM); } if (dentry->d_inode == NULL) { - d_set_d_op(dentry, &rpc_dentry_operations); + if (!dentry->d_op) + d_set_d_op(dentry, &rpc_dentry_operations); return dentry; } dput(dentry); @@ -1126,6 +1127,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent) return -ENOMEM; dprintk("RPC: sending pipefs MOUNT notification for net %p%s\n", net, NET_NAME(net)); + mutex_lock(&sn->pipefs_sb_lock); sn->pipefs_sb = sb; err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list, RPC_PIPEFS_MOUNT, @@ -1133,6 +1135,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent) if (err) goto err_depopulate; sb->s_fs_info = get_net(net); + mutex_unlock(&sn->pipefs_sb_lock); return 0; err_depopulate: @@ -1141,6 +1144,7 @@ err_depopulate: sb); sn->pipefs_sb = NULL; __rpc_depopulate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF); + mutex_unlock(&sn->pipefs_sb_lock); return err; } @@ -1162,12 +1166,12 @@ static void rpc_kill_sb(struct super_block *sb) goto out; } sn->pipefs_sb = NULL; - mutex_unlock(&sn->pipefs_sb_lock); dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n", net, NET_NAME(net)); blocking_notifier_call_chain(&rpc_pipefs_notifier_list, RPC_PIPEFS_UMOUNT, sb); + mutex_unlock(&sn->pipefs_sb_lock); put_net(net); out: kill_litter_super(sb); |