diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/rpc_pipe.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index c9b57f47108..3105efbb182 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -126,13 +126,14 @@ rpc_close_pipes(struct inode *inode) { struct rpc_inode *rpci = RPC_I(inode); struct rpc_pipe_ops *ops; + int need_release; mutex_lock(&inode->i_mutex); ops = rpci->ops; if (ops != NULL) { LIST_HEAD(free_list); - spin_lock(&inode->i_lock); + need_release = rpci->nreaders != 0 || rpci->nwriters != 0; rpci->nreaders = 0; list_splice_init(&rpci->in_upcall, &free_list); list_splice_init(&rpci->pipe, &free_list); @@ -141,7 +142,7 @@ rpc_close_pipes(struct inode *inode) spin_unlock(&inode->i_lock); rpc_purge_list(rpci, &free_list, ops->destroy_msg, -EPIPE); rpci->nwriters = 0; - if (ops->release_pipe) + if (need_release && ops->release_pipe) ops->release_pipe(inode); cancel_delayed_work_sync(&rpci->queue_timeout); } @@ -196,6 +197,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp) { struct rpc_inode *rpci = RPC_I(inode); struct rpc_pipe_msg *msg; + int last_close; mutex_lock(&inode->i_mutex); if (rpci->ops == NULL) @@ -222,7 +224,8 @@ rpc_pipe_release(struct inode *inode, struct file *filp) rpci->ops->destroy_msg, -EAGAIN); } } - if (rpci->ops->release_pipe) + last_close = rpci->nwriters == 0 && rpci->nreaders == 0; + if (last_close && rpci->ops->release_pipe) rpci->ops->release_pipe(inode); out: mutex_unlock(&inode->i_mutex); |