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SUNRPC: Fix Oopsable condition in rpc_pipefs

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The elements on rpci->in_upcall are tracked by the filp->private_data,
 which will ensure that they get released when the file is closed.

 The exception is if rpc_close_pipes() gets called first, since that
 sets rpci->ops to NULL.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2005-12-03 15:20:10 -05:00
parent 24aa1fe677
commit bb184f3356
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/rpc_pipe.c
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@ -59,7 +59,6 @@ __rpc_purge_upcall(struct inode *inode, int err)
struct rpc_inode *rpci = RPC_I(inode);
__rpc_purge_list(rpci, &rpci->pipe, err);
__rpc_purge_list(rpci, &rpci->in_upcall, err);
rpci->pipelen = 0;
wake_up(&rpci->waitq);
}
@ -119,6 +118,7 @@ rpc_close_pipes(struct inode *inode)
down(&inode->i_sem);
if (rpci->ops != NULL) {
rpci->nreaders = 0;
__rpc_purge_list(rpci, &rpci->in_upcall, -EPIPE);
__rpc_purge_upcall(inode, -EPIPE);
rpci->nwriters = 0;
if (rpci->ops->release_pipe)