RPC: Fix double free in portmapper code
rpc_run_task is guaranteed to always call ->rpc_release. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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a995e9eb32
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54cc533aaa
1 changed files with 5 additions and 3 deletions
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@ -62,7 +62,10 @@ static inline void pmap_map_free(struct portmap_args *map)
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static void pmap_map_release(void *data)
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{
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pmap_map_free(data);
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struct portmap_args *map = data;
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xprt_put(map->pm_xprt);
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pmap_map_free(map);
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}
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static const struct rpc_call_ops pmap_getport_ops = {
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@ -133,7 +136,7 @@ void rpc_getport(struct rpc_task *task)
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status = -EIO;
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child = rpc_run_task(pmap_clnt, RPC_TASK_ASYNC, &pmap_getport_ops, map);
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if (IS_ERR(child))
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goto bailout;
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goto bailout_nofree;
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rpc_put_task(child);
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task->tk_xprt->stat.bind_count++;
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@ -222,7 +225,6 @@ static void pmap_getport_done(struct rpc_task *child, void *data)
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child->tk_pid, status, map->pm_port);
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pmap_wake_portmap_waiters(xprt, status);
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xprt_put(xprt);
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}
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/**
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