mirror of https://gitee.com/openkylin/linux.git
NLM: Fix nlmclnt_test to not copy private part of locks
The struct file_lock does not carry a properly initialised lock, so don't copy it as if it were. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -434,7 +434,9 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
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/*
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* Report the conflicting lock back to the application.
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*/
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locks_copy_lock(fl, &req->a_res.lock.fl);
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fl->fl_start = req->a_res.lock.fl.fl_start;
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fl->fl_end = req->a_res.lock.fl.fl_start;
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fl->fl_type = req->a_res.lock.fl.fl_type;
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fl->fl_pid = 0;
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} else {
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return nlm_stat_to_errno(req->a_res.status);
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@ -399,7 +399,10 @@ static int do_getlk(struct file *filp, int cmd, struct file_lock *fl)
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lock_kernel();
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/* Try local locking first */
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if (posix_test_lock(filp, fl, &cfl)) {
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locks_copy_lock(fl, &cfl);
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fl->fl_start = cfl.fl_start;
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fl->fl_end = cfl.fl_end;
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fl->fl_type = cfl.fl_type;
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fl->fl_pid = cfl.fl_pid;
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goto out;
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}
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