[Mesa-dev] [Bug 110901] mesa-19.1.0/src/util/futex.h:82: use of out of scope variable ?

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 12 08:50:43 UTC 2019


            Bug ID: 110901
           Summary: mesa-19.1.0/src/util/futex.h:82: use of out of scope
                    variable ?
           Product: Mesa
           Version: 19.1
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: dcb314 at hotmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

mesa-19.1.0/src/util/futex.h:82] -> [mesa-19.1.0/src/util/futex.h:76] ->
[mesa-19.1.0/src/util/futex.h:85]: (error) Using pointer to local variable
'tmo' that is out of scope.

Source code is

   if (timeout != NULL) {
      const struct _umtx_time tmo = {
         ._timeout = *timeout,
         ._flags = UMTX_ABSTIME,
         ._clockid = CLOCK_MONOTONIC
      uaddr = (void *)(uintptr_t)sizeof(tmo);
      uaddr2 = (void *)&tmo;

   return _umtx_op(addr, UMTX_OP_WAIT_UINT, (uint32_t)value, uaddr, uaddr2) ==
-1 ? errno : 0;

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